CVE-2026-31165 | Totolink A3300R 17.0.0cu.557_B20221024 /cgi-bin/cstecgi.cgi pppoeServiceName command injection

A vulnerability classified as critical was found in Totolink A3300R 17.0.0cu.557_B20221024. This impacts an unknown function of the file /cgi-bin/cstecgi.cgi. Executing a manipulation of the argument pppoeServiceName can lead to command injection.

This vulnerability is registered as CVE-2026-31165. It is possible to launch the attack remotely. No exploit is available.