description: An issue was found on TRENDnet TEW-831DR 1.0 601.130.1.1356 devices. The default pre-shared key for the Wi-Fi networks is the same for every router except for the last four digits. The device default pre-shared key for both 2.4 GHz and 5 GHz networks can be guessed or brute-forced by an attacker within range of the Wi-Fi network.