CVE-2026-9436 | Totolink A8000RU 7.1cu.643_b20200521 Web Management Interface /cgi-bin/cstecgi.cgi setL2tpServerCfg enable os command injection

A vulnerability, which was classified as critical, was found in Totolink A8000RU 7.1cu.643_b20200521. The impacted element is the function setL2tpServerCfg of the file /cgi-bin/cstecgi.cgi of the component Web Management Interface. Executing a manipulation of the argument enable can lead to os command injection.

This vulnerability is handled as CVE-2026-9436. The attack can be executed remotely. Additionally, an exploit exists.