The enrollment process for Pingtel xpressa SIP-based voice-over-IP phone 1.2.5 through 1.2.7.4 allows attackers with physical access to the phone to log out the current user and re-register the phone using MyPingtel Sign-In to gain remote access and perform unauthorized actions.
Pingtel xpressa SIP-based voice-over-IP phone 1.2.5 through 1.2.7.4 allows attackers with physical access to restore the phone to factory defaults without authentication via a menu option, which sets the administrator password to null.