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.
| Software | From | Fixed in |
|---|---|---|
| pingtel / xpressa | 1.2.7.4 | 1.2.7.4.x |
| pingtel / xpressa | 1.2.5 | 1.2.5.x |