The default configuration of the TP-Link 8840T router enables web-based administration on the WAN interface, which allows remote attackers to establish an HTTP connection and possibly have unspecified other impact via unknown vectors.

Directory traversal vulnerability in the web-based management feature on the TP-LINK TL-WR841N router with firmware 3.13.9 build 120201 Rel.54965n and earlier allows remote attackers to read arbitrary files via a .. (dot dot) in the PATH_INFO to the help/ URI.

Directory traversal vulnerability in the web-based management interface on the TP-LINK TL-WR841N router with firmware 3.13.9 build 120201 Rel.54965n and earlier allows remote attackers to read arbitrary files via the URL parameter.

Multiple cross-site scripting (XSS) vulnerabilities in the TP-LINK TL-WR841N router with firmware 3.13.9 Build 120201 Rel.54965n and earlier allow remote administrators to inject arbitrary web script or HTML via the (1) username or (2) pwd parameter to userRpm/NoipDdnsRpm.htm.

cgi-bin/admin/servetest in TP-Link IP Cameras TL-SC3130, TL-SC3130G, TL-SC3171, TL-SC3171G, and possibly other models before beta firmware LM.1.6.18P12_sign6 allows remote attackers to execute arbitrary commands via shell metacharacters in (1) the ServerName parameter and (2) other unspecified parameters.

TP-Link IP Cameras TL-SC3130, TL-SC3130G, TL-SC3171, TL-SC3171G, and possibly other models before beta firmware LM.1.6.18P12_sign6 have an empty password for the hardcoded "qmik" account, which allows remote attackers to obtain administrative access via a TELNET session.

Unrestricted file upload vulnerability in cgi-bin/uploadfile in TP-Link IP Cameras TL-SC3130, TL-SC3130G, TL-SC3171, TL-SC3171G, and possibly other models before beta firmware LM.1.6.18P12_sign6, allows remote attackers to upload arbitrary files, then accessing it via a direct request to the file in the mnt/mtd directory.

cgi-bin/firmwareupgrade in TP-Link IP Cameras TL-SC3130, TL-SC3130G, TL-SC3171, TL-SC3171G, and possibly other models before beta firmware LM.1.6.18P12_sign6 allows remote attackers to modify the firmware revision via a "preset" action.

Multiple cross-site request forgery (CSRF) vulnerabilities on the TP-LINK WR1043N router with firmware TL-WR1043ND_V1_120405 allow remote attackers to hijack the authentication of administrators for requests that (1) enable FTP access (aka "FTP directory traversal") to /tmp via the shareEntire parameter to userRpm/NasFtpCfgRpm.htm, (2) change the FTP administrative password via the nas_admin_pwd parameter to userRpm/NasUserAdvRpm.htm, (3) enable FTP on the WAN interface via the internetA parameter to userRpm/NasFtpCfgRpm.htm, (4) launch the FTP service via the startFtp parameter to userRpm/NasFtpCfgRpm.htm, or (5) enable or disable bandwidth limits via the QoSCtrl parameter to userRpm/QoSCfgRpm.htm.

The TP-Link IP Cameras TL-SC3171, TL-SC3130, TL-SC3130G, TL-SC3171G, and possibly other models before beta firmware LM.1.6.18P12_sign6, does not properly restrict access to certain administrative functions, which allows remote attackers to (1) cause a denial of service (device reboot) via a request to cgi-bin/reboot or (2) cause a denial of service (reboot and reset to factory defaults) via a request to cgi-bin/hardfactorydefault.

Cross-site scripting (XSS) vulnerability in Allegro RomPager before 4.51, as used on the ZyXEL P660HW-D1, Huawei MT882, Sitecom WL-174, TP-LINK TD-8816, and D-Link DSL-2640R and DSL-2641R, when the "forbidden author header" protection mechanism is bypassed, allows remote attackers to inject arbitrary web script or HTML by requesting a nonexistent URI in conjunction with a crafted HTTP Referer header that is not properly handled in a 404 page. NOTE: there is no CVE for a "URL redirection" issue that some sources list separately.

Cross-site scripting (XSS) vulnerability in the DHCP clients page in the TP-LINK N750 Wireless Dual Band Gigabit Router (TL-WDR4300) with firmware before 140916 allows remote attackers to inject arbitrary web script or HTML via the hostname in a DHCP request.

The web server in the TP-LINK N750 Wireless Dual Band Gigabit Router (TL-WDR4300) with firmware before 140916 allows remote attackers to cause a denial of service (crash) via a long header in a GET request.

TP-Link TL-WR740N 4 with firmware 3.17.0 Build 140520, 3.16.6 Build 130529, and 3.16.4 Build 130205 allows remote attackers to cause a denial of service (httpd crash) via vectors involving a "new" value in the isNew parameter to PingIframeRpm.htm.

Cross-site request forgery (CSRF) vulnerability in the administration console in TP-Link TL-WR840N (V1) router with firmware before 3.13.27 build 141120 allows remote attackers to hijack the authentication of administrators for requests that change router settings via a configuration file import.

Directory traversal vulnerability in TP-LINK Archer C5 (1.2) with firmware before 150317, C7 (2.0) with firmware before 150304, and C8 (1.0) with firmware before 150316, Archer C9 (1.0), TL-WDR3500 (1.0), TL-WDR3600 (1.0), and TL-WDR4300 (1.0) with firmware before 150302, TL-WR740N (5.0) and TL-WR741ND (5.0) with firmware before 150312, and TL-WR841N (9.0), TL-WR841N (10.0), TL-WR841ND (9.0), and TL-WR841ND (10.0) with firmware before 150310 allows remote attackers to read arbitrary files via a .. (dot dot) in the PATH_INFO to login/.

TP-LINK lost control of two domains, www.tplinklogin.net and tplinkextender.net. Please note that these domains are physically printed on many of the devices.

On TP-Link NC250 devices with firmware through 1.2.1 build 170515, anyone can view video and audio without authentication via an rtsp://admin@yourip:554/h264_hd.sdp URL.

passwd_recovery.lua on the TP-Link Archer C9(UN)_V2_160517 allows an attacker to reset the admin password by leveraging a predictable random number generator seed. This is fixed in C9(UN)_V2_170511.

Multiple stack-based buffer overflows in TP-Link WR940N WiFi routers with hardware version 4 allow remote authenticated users to execute arbitrary code via the (1) ping_addr parameter to PingIframeRpm.htm or (2) dnsserver2 parameter to WanStaticIpV6CfgRpm.htm.

Cross-site scripting (XSS) vulnerability in the Wireless MAC Filtering page in TP-LINK TL-MR3220 wireless routers allows remote attackers to inject arbitrary web script or HTML via the Description field.

TP-Link WVR, WAR and ER devices allow remote authenticated administrators to execute arbitrary commands via command injection in the new-interface variable in the cmxddns.lua file.

TP-Link WVR, WAR and ER devices allow remote authenticated administrators to execute arbitrary commands via command injection in the new-outif variable in the pptp_client.lua file.

TP-Link WVR, WAR and ER devices allow remote authenticated administrators to execute arbitrary commands via command injection in the lcpechointerval variable in the pptp_client.lua file.

TP-Link WVR, WAR and ER devices allow remote authenticated administrators to execute arbitrary commands via command injection in the new-interface variable in the phddns.lua file.

TP-Link WVR, WAR and ER devices allow remote authenticated administrators to execute arbitrary commands via command injection in the iface variable in the interface_wan.lua file.

TP-Link WVR, WAR and ER devices allow remote authenticated administrators to execute arbitrary commands via command injection in the new-enable variable in the pptp_client.lua file.

TP-Link WVR, WAR and ER devices allow remote authenticated administrators to execute arbitrary commands via command injection in the pptphellointerval variable in the pptp_client.lua file.

TP-Link WVR, WAR and ER devices allow remote authenticated administrators to execute arbitrary commands via command injection in the new-zone variable in the ipmac_import.lua file.

TP-Link WVR, WAR and ER devices allow remote authenticated administrators to execute arbitrary commands via command injection in the olmode variable in the interface_wan.lua file.

TP-Link WVR, WAR and ER devices allow remote authenticated administrators to execute arbitrary commands via command injection in the new-mppeencryption variable in the pptp_client.lua file.

TP-Link WVR, WAR and ER devices allow remote authenticated administrators to execute arbitrary commands via command injection in the new-enable variable in the pptp_server.lua file.

TP-Link WVR, WAR and ER devices allow remote authenticated administrators to execute arbitrary commands via command injection in the new-authtype variable in the pptp_server.lua file.

TP-Link WVR, WAR and ER devices allow remote authenticated administrators to execute arbitrary commands via command injection in the new-olmode variable in the pptp_client.lua file.

TP-Link WVR, WAR and ER devices allow remote authenticated administrators to execute arbitrary commands via command injection in the new-bindif variable in the pptp_server.lua file.

TP-Link WVR, WAR and ER devices allow remote authenticated administrators to execute arbitrary commands via command injection in the new-pns variable in the pptp_client.lua file.

TP-Link WVR, WAR and ER devices allow remote authenticated administrators to execute arbitrary commands via command injection in the lcpechointerval variable in the pptp_server.lua file.

TP-Link WVR, WAR and ER devices allow remote authenticated administrators to execute arbitrary commands via command injection in the new-tunnelname variable in the pptp_client.lua file.

TP-Link WVR, WAR and ER devices allow remote authenticated administrators to execute arbitrary commands via command injection in the new-remotesubnet variable in the pptp_client.lua file.

TP-Link WVR, WAR and ER devices allow remote authenticated administrators to execute arbitrary commands via command injection in the new-workmode variable in the pptp_client.lua file.

TP-Link WVR, WAR and ER devices allow remote authenticated administrators to execute arbitrary commands via command injection in the new-mppeencryption variable in the pptp_server.lua file.

TP-Link WVR, WAR and ER devices allow remote authenticated administrators to execute arbitrary commands via command injection in the new-ipgroup variable in the session_limits.lua file.

TP-Link WVR, WAR and ER devices allow remote authenticated administrators to execute arbitrary commands via command injection in the name variable in the wportal.lua file.

TP-Link WVR, WAR and ER devices allow remote authenticated administrators to execute arbitrary commands via command injection in the max_conn variable in the session_limits.lua file.

TP-Link WVR, WAR and ER devices allow remote authenticated administrators to execute arbitrary commands via command injection in the new-time variable in the webfilter.lua file.

TP-Link WVR, WAR and ER devices allow remote authenticated administrators to execute arbitrary commands via command injection in the pptphellointerval variable in the pptp_server.lua file.

TP-Link TL-WVR, TL-WAR, TL-ER, and TL-R devices allow remote authenticated users to execute arbitrary commands via shell metacharacters in the iface field of an admin/diagnostic command to cgi-bin/luci, related to the zone_get_effect_devices function in /usr/lib/lua/luci/controller/admin/diagnostic.lua in uhttpd.

TP-Link TL-WVR, TL-WAR, TL-ER, and TL-R devices allow remote authenticated users to execute arbitrary commands via shell metacharacters in the t_bindif field of an admin/bridge command to cgi-bin/luci, related to the get_device_byif function in /usr/lib/lua/luci/controller/admin/bridge.lua in uhttpd.

The locale feature in cgi-bin/luci on TP-Link TL-WVR, TL-WAR, TL-ER, and TL-R devices allows remote authenticated users to test for the existence of arbitrary files by making an operation=write;locale=%0d request, and then making an operation=read request with a crafted Accept-Language HTTP header, related to the set_sysinfo and get_sysinfo functions in /usr/lib/lua/luci/controller/locale.lua in uhttpd.

TP-Link TL-WVR, TL-WAR, TL-ER, and TL-R devices allow remote authenticated users to execute arbitrary commands via shell metacharacters in the t_bindif field of an admin/interface command to cgi-bin/luci, related to the get_device_byif function in /usr/lib/lua/luci/controller/admin/interface.lua in uhttpd.

Cross-site scripting (XSS) vulnerability in system_name_set.cgi in TP-Link TL-SG108E 1.0.0 allows authenticated remote attackers to submit arbitrary java script via the 'sysName' parameter.

Weak access control methods on the TP-Link TL-SG108E 1.0.0 allow any user on a NAT network with an authenticated administrator to access the device without entering user credentials. The authentication record is stored on the device; thus if an administrator authenticates from a NAT network, the authentication applies to the IP address of the NAT gateway, and any user behind that NAT gateway is also treated as authenticated.

Weak access controls in the Device Logout functionality on the TP-Link TL-SG108E v1.0.0 allow remote attackers to call the logout functionality, triggering a denial of service condition.

TP-Link TL-WVR and TL-WAR devices allow remote authenticated users to execute arbitrary commands via shell metacharacters in the interface field of an admin/wportal command to cgi-bin/luci, related to the get_device_byif function in /usr/lib/lua/luci/controller/admin/wportal.lua in uhttpd.

TP-Link TL-WVR and TL-WAR devices allow remote authenticated users to execute arbitrary commands via shell metacharacters in the interface field of an admin/dhcps command to cgi-bin/luci, related to the zone_get_iface_bydev function in /usr/lib/lua/luci/controller/admin/dhcps.lua in uhttpd.

On the TP-Link TL-SG108E 1.0, a remote attacker could retrieve credentials from "SEND data" log lines where passwords are encoded in hexadecimal. This affects the 1.1.2 Build 20141017 Rel.50749 firmware.

On the TP-Link TL-SG108E 1.0, a remote attacker could retrieve credentials from "Switch Info" log lines where passwords are in cleartext. This affects the 1.1.2 Build 20141017 Rel.50749 firmware.

On the TP-Link TL-SG108E 1.0, admin network communications are RC4 encoded, even though RC4 is deprecated. This affects the 1.1.2 Build 20141017 Rel.50749 firmware.

On the TP-Link TL-SG108E 1.0, there is a hard-coded ciphering key (a long string beginning with Ei2HNryt). This affects the 1.1.2 Build 20141017 Rel.50749 firmware.

On the TP-Link TL-SG108E 1.0, the upgrade process can be requested remotely without authentication (httpupg.cgi with a parameter called cmd). This affects the 1.1.2 Build 20141017 Rel.50749 firmware.

TP-Link C2 and C20i devices through firmware 0.9.1 4.2 v0032.0 Build 160706 Rel.37961n have too permissive iptables rules, e.g., SNMP is not blocked on any interface.

vsftpd on TP-Link C2 and C20i devices through firmware 0.9.1 4.2 v0032.0 Build 160706 Rel.37961n has a backdoor admin account with the 1234 password, a backdoor guest account with the guest password, and a backdoor test account with the test password.

TP-Link C2 and C20i devices through firmware 0.9.1 4.2 v0032.0 Build 160706 Rel.37961n allow DoSing the HTTP server via a crafted Cookie header to the /cgi/ansi URI.

TP-Link C2 and C20i devices through firmware 0.9.1 4.2 v0032.0 Build 160706 Rel.37961n allow remote code execution with a single HTTP request by placing shell commands in a "host=" line within HTTP POST data.

The executable httpd on the TP-Link WR841N V8 router before TL-WR841N(UN)_V8_170210 contained a design flaw in the use of DES for block encryption. This resulted in incorrect access control, which allowed attackers to gain read-write access to system settings through the protected router configuration service tddp via the LAN and Ath0 (Wi-Fi) interfaces.

Stored Cross-site scripting (XSS) vulnerability in the TP-Link EAP Controller and Omada Controller versions 2.5.4_Windows/2.6.0_Windows allows authenticated attackers to inject arbitrary web script or HTML via the implementation of portalPictureUpload functionality. This is fixed in version 2.6.1_Windows.

Stored Cross-site scripting (XSS) vulnerability in the TP-Link EAP Controller and Omada Controller versions 2.5.4_Windows/2.6.0_Windows allows authenticated attackers to inject arbitrary web script or HTML via the userName parameter in the local user creation functionality. This is fixed in version 2.6.1_Windows.

The web management interface in the TP-Link EAP Controller and Omada Controller versions 2.5.4_Windows/2.6.0_Windows does not have Anti-CSRF tokens in any forms. This would allow an attacker to submit authenticated requests when an authenticated user browses an attack-controlled domain. This is fixed in version 2.6.1_Windows.

The web application backup file in the TP-Link EAP Controller and Omada Controller versions 2.5.4_Windows/2.6.0_Windows is encrypted with a hard-coded cryptographic key, so anyone who knows that key and the algorithm can decrypt it. A low-privilege user could decrypt and modify the backup file in order to elevate their privileges. This is fixed in version 2.6.1_Windows.

TP-Link EAP Controller and Omada Controller versions 2.5.4_Windows/2.6.0_Windows do not control privileges for usage of the Web API, allowing a low-privilege user to make any request as an Administrator. This is fixed in version 2.6.1_Windows.

TP-LINK IPC TL-IPC223(P)-6, TL-IPC323K-D, TL-IPC325(KP)-*, and TL-IPC40A-4 devices allow authenticated remote code execution via crafted JSON data because /usr/lib/lua/luci/torchlight/validator.lua does not block various punctuation characters.

/usr/lib/lua/luci/websys.lua on TP-LINK IPC TL-IPC223(P)-6, TL-IPC323K-D, TL-IPC325(KP)-*, and TL-IPC40A-4 devices has a hardcoded zMiVw8Kw0oxKXL0 password.

An issue was discovered on TP-Link TL-WR840N v5 00000005 0.9.1 3.16 v0001.0 Build 170608 Rel.58696n and TL-WR841N v13 00000013 0.9.1 4.16 v0001.0 Build 170622 Rel.64334n devices. This issue is caused by improper session handling on the /cgi/ folder or a /cgi file. If an attacker sends a header of "Referer: http://192.168.0.1/mainFrame.htm" then no authentication is required for any action.

CSRF exists for all actions in the web interface on TP-Link TL-WR841N v13 00000001 0.9.1 4.16 v0001.0 Build 180119 Rel.65243n devices.

On TP-Link TL-WR841N v13 00000001 0.9.1 4.16 v0001.0 Build 171019 Rel.55346n devices, all actions in the web interface are affected by bypass of authentication via an HTTP request.

TP-Link TL-WR841N v13 00000001 0.9.1 4.16 v0001.0 Build 180119 Rel.65243n devices allow clickjacking.

The Ping and Traceroute features on TP-Link TL-WR841N v13 00000001 0.9.1 4.16 v0001.0 Build 180119 Rel.65243n devices allow authenticated blind Command Injection.

TP-Link TL-WA850RE Wi-Fi Range Extender with hardware version 5 allows remote authenticated users to execute arbitrary commands via shell metacharacters in the wps_setup_pin parameter to /data/wps.setup.json.

Stack-based buffer overflow in TP-Link TL-WA850RE Wi-Fi Range Extender with hardware version 5 allows remote authenticated users to cause a denial of service (outage) via a long type parameter to /data/syslog.filter.json.

TP-Link TL-WA850RE Wi-Fi Range Extender with hardware version 5 allows remote attackers to cause a denial of service (reboot) via data/reboot.json.

TP-Link Archer C1200 1.13 Build 2018/01/24 rel.52299 EU devices have XSS via the PATH_INFO to the /webpages/data URI.

TP-Link WR840N devices allow remote attackers to cause a denial of service (connectivity loss) via a series of packets with random MAC addresses.

TP-Link WR840N devices have a buffer overflow via a long Authorization HTTP header.

An issue was discovered on TP-Link TL-WR886N 6.0 2.3.4 and TL-WR886N 7.0 1.1.0 devices. Authenticated attackers can crash router services (e.g., inetd, HTTP, DNS, and UPnP) via long JSON data for wlan_access name.

An issue was discovered on TP-Link TL-WR886N 6.0 2.3.4 and TL-WR886N 7.0 1.1.0 devices. Authenticated attackers can crash router services (e.g., inetd, HTTP, DNS, and UPnP) via long JSON data for firewall dmz enable.

An issue was discovered on TP-Link TL-WR886N 6.0 2.3.4 and TL-WR886N 7.0 1.1.0 devices. Authenticated attackers can crash router services (e.g., inetd, HTTP, DNS, and UPnP) via long JSON data for firewall lan_manage mac2.

An issue was discovered on TP-Link TL-WR886N 6.0 2.3.4 and TL-WR886N 7.0 1.1.0 devices. Authenticated attackers can crash router services (e.g., inetd, HTTP, DNS, and UPnP) via long JSON data for wireless wlan_wds_2g ssid.

An issue was discovered on TP-Link TL-WR886N 6.0 2.3.4 and TL-WR886N 7.0 1.1.0 devices. Authenticated attackers can crash router services (e.g., inetd, HTTP, DNS, and UPnP) via long JSON data for wireless wlan_host_2g power.

An issue was discovered on TP-Link TL-WR886N 6.0 2.3.4 and TL-WR886N 7.0 1.1.0 devices. Authenticated attackers can crash router services (e.g., inetd, HTTP, DNS, and UPnP) via long JSON data for wireless wlan_host_2g isolate.

An issue was discovered on TP-Link TL-WR886N 6.0 2.3.4 and TL-WR886N 7.0 1.1.0 devices. Authenticated attackers can crash router services (e.g., inetd, HTTP, DNS, and UPnP) via long JSON data for wireless wlan_host_2g bandwidth.

An issue was discovered on TP-Link TL-WR886N 6.0 2.3.4 and TL-WR886N 7.0 1.1.0 devices. Authenticated attackers can crash router services (e.g., inetd, HTTP, DNS, and UPnP) via long JSON data for hosts_info para sun.

An issue was discovered on TP-Link TL-WR886N 6.0 2.3.4 and TL-WR886N 7.0 1.1.0 devices. Authenticated attackers can crash router services (e.g., inetd, HTTP, DNS, and UPnP) via long JSON data for hosts_info set_block_flag up_limit.

An issue was discovered on TP-Link TL-WR886N 6.0 2.3.4 and TL-WR886N 7.0 1.1.0 devices. Authenticated attackers can crash router services (e.g., inetd, HTTP, DNS, and UPnP) via long JSON data for protocol wan wan_rate.

An issue was discovered on TP-Link TL-WR886N 6.0 2.3.4 and TL-WR886N 7.0 1.1.0 devices. Authenticated attackers can crash router services (e.g., inetd, HTTP, DNS, and UPnP) via long JSON data for ip_mac_bind name.

An issue was discovered on TP-Link TL-WR886N 6.0 2.3.4 and TL-WR886N 7.0 1.1.0 devices. Authenticated attackers can crash router services (e.g., inetd, HTTP, DNS, and UPnP) via long JSON data for ddns phddns username.

An issue was discovered on TP-Link TL-WR886N 6.0 2.3.4 and TL-WR886N 7.0 1.1.0 devices. Authenticated attackers can crash router services (e.g., inetd, HTTP, DNS, and UPnP) via long JSON data for reboot_timer name.

An issue was discovered on TP-Link TL-WR886N 6.0 2.3.4 and TL-WR886N 7.0 1.1.0 devices. Authenticated attackers can crash router services (e.g., inetd, HTTP, DNS, and UPnP) via long JSON data for dhcpd udhcpd enable.

An issue was discovered on TP-Link TL-WR886N 6.0 2.3.4 and TL-WR886N 7.0 1.1.0 devices. Authenticated attackers can crash router services (e.g., inetd, HTTP, DNS, and UPnP) via long JSON data for time_switch name.