CVE-2007-4753: Thomson St 2030 SIP Phone

Medium severity, CVSS 5.0. EPSS: 1.7% chance of exploitation in the next 30 days.

The Thomson ST 2030 SIP phone with software 1.52.1 allows remote attackers to cause a denial of service (device hang) via (1) an empty SIP message or (2) a SIP INVITE message with a malformed To header, different vectors than CVE-2007-4553.

Affected products

• Thomson St 2030 SIP Phone: version 1.52.1 only

Published 2007-09-08. Last modified 2026-06-16.