CVE-2007-5583

Cisco IP Phone 7940 with firmware P0S3-08-7-00 allows remote attackers to cause a denial of...

7.8 HighPublic exploit

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.

Exploit likelihood

5.99%Down 0.8 points since Feb 4, 2022

What each source reports

NVD Score used 7.8

Record: CVE-2007-5583
CVSS 2.0: 7.8 HighAV:N/AC:L/Au:N/C:N/I:N/A:C
Weakness: CWE-119
Updated: 2026-11-02

CVE List No score

Record: CVE-2007-5583
Updated: 2026-11-02

EUVDEUVD-2007-5558 No score

Record: EUVD-2007-5558
Updated: 2026-11-03

GitHub AdvisoriesGHSA-mp26-cr2x-v76m No score

Cisco IP Phone 7940 with firmware P0S3-08-7-00 allows remote attackers to cause a denial of...

Record: GHSA-mp26-cr2x-v76m
Weakness: CWE-119
Updated: 2026-11-02

Affected products

cisco ip phone 7940

Public exploits

Links only. Every CVE stores no exploit code.

Public exploits
Source	Link	Date
Exploit-DB	Cisco Phone 7940 - Remote Denial of Service	2007-12-05

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	aliases, exploits, facts, references, title	Exploit-DB, GitHub Advisories
Nov 2, 2026	first indexed	CVE List, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2007-5583 is a high vulnerability (CVSS 7.8) in Cisco Ip Phone 7940, published December 18, 2007. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 5.99%, the 93rd percentile. No source names a fixed version.