A vulnerability, which was classified as critical, was found in Totolink A8000RU 7.1cu.643_b20200521. This vulnerability affects the function setUrlFilterRules of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. The manipulation of the argument enable results in os command injection.

This vulnerability is reported as CVE-2026-7203. The attack can be launched remotely. Moreover, an exploit is present.