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.

AllegroSoft RomPager 4.34 and earlier, as used in Huawei Home Gateway products and other vendors and products, allows remote attackers to gain privileges via a crafted cookie that triggers memory corruption, aka the "Misfortune Cookie" vulnerability.

Multiple buffer overflows in AllegroSoft RomPager, as used in Huawei Home Gateway products and other vendors and products, allow remote attackers to cause a denial of service or possibly execute arbitrary code via unspecified vectors related to authorization.

A vulnerability was found in Allegro RomPager 4.01. It has been classified as problematic. Affected is an unknown function of the file usertable.htm?action=delete of the component HTTP POST Request Handler. The manipulation of the argument username leads to cross-site request forgery. It is possible to launch the attack remotely. Upgrading to version 4.30 is able to address this issue. It is recommended to upgrade the affected component. The identifier of this vulnerability is VDB-250692. NOTE: The vendor explains that this is a very old issue that got fixed 20 years ago but without a public disclosure.