CVE-2007-4553

The Thomson ST 2030 SIP phone with software 1.52.1 allows remote attackers to cause a denial of...

5.0 MediumPublic exploit

The Thomson ST 2030 SIP phone with software 1.52.1 allows remote attackers to cause a denial of service (device hang) via an INVITE message with a Via header that contains a '/' (slash) instead of the required space following the SIP version number.

Exploit likelihood

8.21%Up 1.4 points since Feb 4, 2022

What each source reports

NVD Score used 5.0

Record: CVE-2007-4553
CVSS 2.0: 5.0 MediumAV:N/AC:L/Au:N/C:N/I:N/A:P
Updated: 2026-11-02

CVE List No score

Record: CVE-2007-4553
Updated: 2026-11-02

EUVDEUVD-2007-4536 No score

Record: EUVD-2007-4536
Updated: 2026-11-03

GitHub AdvisoriesGHSA-8rpc-f5pg-452p No score

The Thomson ST 2030 SIP phone with software 1.52.1 allows remote attackers to cause a denial of...

Record: GHSA-8rpc-f5pg-452p
Updated: 2026-11-02

Affected products

thomson st 2030 sip phone

Public exploits

Links only. Every CVE stores no exploit code.

Public exploits
Source	Link	Date
Exploit-DB	Thomson SpeedTouch ST 2030 (SIP Phone) - SIP Invite Message Remote Denial of Service	2007-08-27
Exploit-DB	Thomson SpeedTouch ST 2030 (SIP Phone) - Remote Denial of Service	2007-08-27

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-2007-4553 is a medium vulnerability (CVSS 5.0) in Thomson St 2030 Sip Phone, published August 28, 2007. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 8.21%, the 94th percentile. No source names a fixed version.