MPM HP-180W VoIP Wireless Desktop Phone has an undocumented port and service, UDP/9090, that provides an unauthenticated attacker information about the phone, specifically the phone’s MAC address and software version.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/43263/MPMHP-180W.txt
Source: https://packetstormsecurity.com/files/43263/MPMHP-180W.txt.html