The vulnerability of the microprogrammed software of Mitel series 6800, 6900, 6900w, and 6970 desktop telephones, related to the ability to bypass authentication, allows attackers to modify phone configuration parameters and trigger a service failure.

The vulnerability of the microprogramming software of Mitel series 6800, 6900, 6900w, and 6970 lies in its ability to bypass authentication. Exploiting this vulnerability allows an attacker to modify the phone’s configuration parameters and cause service failures...