CVE-2026-5996 | Totolink A7100RU 7.4cu.2313_b20191024 CGI /cgi-bin/cstecgi.cgi setAdvancedInfoShow tty_server os command injection

A vulnerability marked as critical has been reported in Totolink A7100RU 7.4cu.2313_b20191024. The affected element is the function setAdvancedInfoShow of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. The manipulation of the argument tty_server leads to os command injection.

This vulnerability is traded as CVE-2026-5996. It is possible to initiate the attack remotely. Furthermore, there is an exploit available.