The ACT P202S VoIP 802.11b wireless phone, version 1.01.21 on VxWorks has three undocumented ports and extraneous services that can be exploited by attackers.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/43260/ACTP202S.txt
Source: https://packetstormsecurity.com/files/43260/ACTP202S.txt.html