CVE-2007-5583

Cisco IP Phone 7940 P0S3-08-7-00 - Denial of Service via SIP INVITE Request-URI

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2007-5583. PoCs published by MADYNES.

AI-analyzed exploit summary This exploit targets a SIP DoS vulnerability (CVE-2007-5583) by flooding the target with malformed INVITE requests, causing resource exhaustion. It uses UDP to send crafted SIP messages and handles responses to maintain a loop of requests.

Description

Cisco IP Phone 7940 with firmware P0S3-08-7-00 allows remote attackers to cause a denial of service ("486 Busy" responses or device reboot) via a sequence of SIP INVITE transactions in which the Request-URI lacks a user name, a different vulnerability than CVE-2007-4459.

Exploits (1)

exploitdb WORKING POC VERIFIED
by MADYNES · perldoshardware
https://www.exploit-db.com/exploits/4692

This exploit targets a SIP DoS vulnerability (CVE-2007-5583) by flooding the target with malformed INVITE requests, causing resource exhaustion. It uses UDP to send crafted SIP messages and handles responses to maintain a loop of requests.

Classification
Working Poc 90%
Attack Type
Dos
Complexity
Moderate
Reliability
Reliable
Target: SIP implementations (e.g., Asterisk, other SIP servers)
No auth needed
Prerequisites: Network access to target SIP server · UDP port 5060 reachable
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (7)

Core 7
Core References
Exploit vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/26711
Exploit, Third Party Advisory exploit x_refsource_exploit-db
https://www.exploit-db.com/exploits/4692
Mailing List mailing-list x_refsource_fulldisc
http://seclists.org/fulldisclosure/2007/Dec/0196.html
Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack
http://www.securitytracker.com/id?1019059
Third Party Advisory, VDB Entry vdb-entry x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/38853

Scores

EPSS 0.0599
EPSS Percentile 92.4%

Details

CWE
CWE-119
Status published
Products (1)
cisco/ip_phone_7940
Published Dec 18, 2007
Tracked Since Feb 18, 2026