CVE-2026-4544 | Wavlink WL-WN578W2 221110 POST Request /cgi-bin/login.cgi homepage/hostname/login_page cross site scripting

A vulnerability categorized as problematic has been discovered in Wavlink WL-WN578W2 221110. This affects an unknown function of the file /cgi-bin/login.cgi of the component POST Request Handler. Executing a manipulation of the argument homepage/hostname/login_page can lead to cross site scripting.

This vulnerability is registered as CVE-2026-4544. It is possible to launch the attack remotely. Furthermore, an exploit is available.

The vendor was contacted early about this disclosure but did not respond in any way.