CVE-2026-4976 | Totolink LR350 9.3.5u.6369_B20220309 /cgi-bin/cstecgi.cgi setWiFiGuestCfg ssid buffer overflow

A vulnerability described as critical has been identified in Totolink LR350 9.3.5u.6369_B20220309. This vulnerability affects the function setWiFiGuestCfg of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument ssid results in buffer overflow.

This vulnerability is reported as CVE-2026-4976. The attack can be launched remotely. Moreover, an exploit is present.