An issue was found on TRENDnet TEW-831DR 1.0 601.130.1.1356 devices. The web interface is vulnerable to CSRF. An attacker can change the pre-shared key of the Wi-Fi router if the interface's IP address is known.
The web application does not, or cannot, sufficiently verify whether a request was intentionally provided by the user who sent the request, which could have originated from an unauthorized actor.