ZyXel P2000W VoIP phone undocumented default port access

zyxel-p2000w-default-port (24145) The risk level is classified as MediumMedium Risk


Zyxel P2000W could allow a remote attacker to gain unauthorized access to the device using an undocumented open port (UDP port 9090). An attacker could connect to this port to obtain the device MAC address and software version, which could be used to launch further attacks against the affected device.


Gain Access


No remedy available as of September 1, 2014.


  • Full-Disclosure Mailing List, Mon Jan 16 2006 - 16:12:07 CST: ZyXel P2000W (Version 2) VoIP wireless phone undocumented port UDP/9090.
  • ZyXel Web site: ZyXel P-2000W_v2 - VoIP Wi-Fi Phone.
  • BID-16285: MPM HP-180W VOIP WIFI Phone Information Disclosure Vulnerability
  • CVE-2006-0302: ZyXel P2000W VoIP 802.11b Wireless Phone running firmware WV.00.02 allows remote attackers to obtain sensitive information, such as MAC address and software version, by directly accessing UDP port 9090.
  • OSVDB ID: 22516: ZyXEL P-2000W_v2 VoIP Wi-Fi Phone UDP Port 9090 Information Disclosure
  • SA18511: ZyXEL P-2000W_v2 VoIP Wi-Fi Phone Information Disclosure

Platforms Affected:

  • ZyXEL P2000W (Version 2) WV.00.02


Jan 16, 2006

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