CVE-2026-7243 | Totolink A8000RU 7.1cu.643_b20200521 CGI /cgi-bin/cstecgi.cgi setRadvdCfg maxRtrAdvInterval os command injection

A vulnerability was found in Totolink A8000RU 7.1cu.643_b20200521. It has been rated as critical. The affected element is the function setRadvdCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. The manipulation of the argument maxRtrAdvInterval leads to os command injection.

This vulnerability is traded as CVE-2026-7243. It is possible to initiate the attack remotely. Furthermore, there is an exploit available.