Mitel 6800/6900 Series SIP Phones Backdoor Access
Posted on 21 June 2022
Mitel 6800/6900 Series SIP Phones excluding 6970 and Mitel 6900 Series IP (MiNet) Phones have a flow to spawn a telnet backdoor on the device with a static root password enabled. Affected versions include Rel 5.1 SP8 (5.1.0.8016) and earlier, Rel 6.0 (6.0.0.368) to 6.1 HF4 (6.1.0.165), and MiNet 1.8.0.12 and earlier.
