Secunia

Two vulnerabilities have been reported in Cisco Wireless IP Phone, which can be exploited by malicious people to gain access to potentially sensitive information, to modify certain information, and to cause a DoS (Denial of Service).

1) The SNMP service that runs on the IP phone uses fixed read-only and read-write community strings of "public" and "private", which cannot be changed by the user. This can be exploited to retrieve and modify the device configuration, including stored user data such as phone book entries by sending SNMP GetRequest or SetRequest to phone.

2) The IP phone listens on port 17185/udp to allow connections from the VxWorks debugger. This may be exploit to collect debugging information or to cause a DoS on the device.

The vulnerabilities have been reported in Cisco 7920 Wireless IP Phone with firmware version 2.0 and prior.

Solution
Apply firmware update.
Further details available in Customer Area

Provided and/or discovered by
Reported by vendor.

Changelog
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Original Advisory
Cisco:
http://www.cisco.com/warp/public/707/cisco-sa-20051116-7920.shtml

Other references
Further details available in Customer Area

Deep Links
Links available in Customer Area