CVE-2026-7538 | Totolink A8000RU 7.1cu.643_b20200521 CGI /cgi-bin/cstecgi.cgi vulnerability proto os command injection

A vulnerability was found in Totolink A8000RU 7.1cu.643_b20200521. It has been rated as critical. This issue affects the function Vulnerability of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. The manipulation of the argument proto leads to os command injection.

This vulnerability is listed as CVE-2026-7538. The attack may be initiated remotely. In addition, an exploit is available.