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6.4
CVE-2005-3804: Cisco 7920 IP Phone UDP port 17185 remote access
CVE-2005-3804 · published 20 years ago
Summary
The Cisco 7920 IP phone runs a service on UDP port 17185 that was meant for a debugging tool. An attacker on the network could connect to this port, view sensitive data from the phone and potentially make it stop working. Disable the debugging service or block UDP port 17185 on your network to protect the devices.
What to do
The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.
Affected software
| Vendor | Product | Affected versions |
|---|---|---|
| cisco | 7920_wireless_ip_phone |
1.0\(8\) 2.0 cpe:2.3:h:cisco:7920_wireless_ip_phone:1.0\(8\):*:*:*:*:*:*:* |
Original advisory text
Cisco IP Phone (VoIP) 7920 1.0(8) listens to UDP port 17185 to support a VxWorks debugger, which allows remote attackers to obtain sensitive information and cause a denial of service.
Cisco IP Phone (VoIP) 7920 1.0(8) listens to UDP port 17185 to support a VxWorks debugger, which allows remote attackers to obtain sensitive information and cause a denial of service.
References
- http://secunia.com/advisories/17604/ Patch Vendor Advisory
- http://securitytracker.com/id?1015232 Vendor Advisory
- http://www.cisco.com/warp/public/707/cisco-sa-20051116-7920.shtml Patch Vendor Advisory
- http://www.securityfocus.com/bid/15456
- https://exchange.xforce.ibmcloud.com/vulnerabilities/23068
Internet-facing
14 days
Internal
60 days
- Not known to be exploited
- Can be exploited automatically (estimated)
- Gives an attacker partial control (estimated)
Severity
6.4
Medium
Timeline
Published24 Nov 2005
Updated30 Oct 2026
First seen29 Sep 2026
Sources
CVE-2005-3804 · NVD
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