CVE-2005-3724: Zyxel p2000w Version 1 Voip Wifi Phone

Medium severity, CVSS 6.4. EPSS: 1.7% chance of exploitation in the next 30 days.

Zyxel P2000W Version 1 VOIP WIFI Phone Wj.00.10 allows remote attackers to obtain sensitive information and possibly cause a denial of service via a direct connection to UDP port 9090, which is undocumented and does not require authentication.

Affected products

• Zyxel p2000w Version 1 Voip Wifi Phone: version wj.00.10 only
• Zyxel Prestige 2000w v.1voip Wi-Fi Phone: version wj.00.10 only

Published 2005-11-21. Last modified 2026-06-16.