CVE-2007-1542

Cisco IP Phone 7940 and 7960 - Denial of Service via SIP INVITE Remote-Party-ID Field

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2007-1542. PoCs published by MADYNES.

AI-analyzed exploit summary This Perl script exploits a DoS vulnerability in Cisco 7940/7960 phones by sending a malformed SIP INVITE message with a crafted Remote-Party-ID field, causing the device to reboot immediately.

Description

Unspecified vulnerability in the Cisco IP Phone 7940 and 7960 running firmware before POS8-6-0 allows remote attackers to cause a denial of service via the Remote-Party-ID sipURI field in a SIP INVITE request. NOTE: the provenance of this information is unknown; the details are obtained solely from third party information.

Exploits (1)

exploitdb WORKING POC VERIFIED
by MADYNES · perldoshardware
https://www.exploit-db.com/exploits/3526

This Perl script exploits a DoS vulnerability in Cisco 7940/7960 phones by sending a malformed SIP INVITE message with a crafted Remote-Party-ID field, causing the device to reboot immediately.

Classification
Working Poc 95%
Attack Type
Dos
Complexity
Trivial
Reliability
Reliable
Target: Cisco 7940/7960 running firmware P0S3-07-4-00
No auth needed
Prerequisites: Network access to the target device · UDP port accessibility
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (6)

Core 6
Core References
Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack
http://www.securitytracker.com/id?1017797
Third Party Advisory, VDB Entry vdb-entry x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/33098
Third Party Advisory vdb-entry x_refsource_vupen
http://www.vupen.com/english/advisories/2007/1023
Third Party Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/24600
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/23047

Scores

EPSS 0.0918
EPSS Percentile 94.7%

Details

Status published
Products (2)
cisco/7940_router
cisco/7960_router
Published Mar 20, 2007
Tracked Since Feb 18, 2026