CVE-2026-5854 | Totolink A7100RU 7.4cu.2313_b20191024 CGI /cgi-bin/cstecgi.cgi setWiFiEasyCfg merge os command injection

A vulnerability identified as critical has been detected in Totolink A7100RU 7.4cu.2313_b20191024. Affected by this issue is the function setWiFiEasyCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. Performing a manipulation of the argument merge results in os command injection.

This vulnerability is cataloged as CVE-2026-5854. It is possible to initiate the attack remotely. Furthermore, there is an exploit available.