A vulnerability was found in Totolink CA750-PoE 6.2c.510 . It has been declared as critical . This affects the function setWiFiWpsConfig of the file /cgi-bin/cstecgi.cgi of the component Setting Handler . Executing a manipulation of the argument PIN can lead to os command injection. This vulnerability is registered as CVE-2026-9534 . It is possible to launch the attack remotely. Furthermore, an exploit is available.