CVE-2026-5852 | Totolink A7100RU 7.4cu.2313_b20191024 CGI /cgi-bin/cstecgi.cgi setIptvCfg igmpVer os command injection

A vulnerability was found in Totolink A7100RU 7.4cu.2313_b20191024. It has been rated as critical. Affected is the function setIptvCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. This manipulation of the argument igmpVer causes os command injection.

This vulnerability is tracked as CVE-2026-5852. The attack is possible to be carried out remotely. Moreover, an exploit is present.