A vulnerability categorized as critical has been discovered in Totolink A8000RU 7.1cu.643_b20200521. The impacted element is the function setWiFiEasyGuestCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. The manipulation of the argument merge results in os command injection.

This vulnerability is known as CVE-2026-7244. It is possible to launch the attack remotely. Furthermore, an exploit is available.