CVE-2026-6138 | Totolink A7100RU 7.4cu.2313_b20191024 CGI /cgi-bin/cstecgi.cgi setAccessDeviceCfg mac os command injection

A vulnerability, which was classified as critical, has been found in Totolink A7100RU 7.4cu.2313_b20191024. The impacted element is the function setAccessDeviceCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. This manipulation of the argument mac causes os command injection.

This vulnerability is handled as CVE-2026-6138. The attack can be initiated remotely. Additionally, an exploit exists.