CVE-2007-4498: Grandstream SIP Phone

High severity, CVSS 7.8. EPSS: 13.8% chance of exploitation in the next 30 days.

The Grandstream SIP Phone GXV-3000 with firmware 1.0.1.7, Loader 1.0.0.6, and Boot 1.0.0.18 allows remote attackers to force silent call completion, eavesdrop on the phone's local environment, and cause a denial of service (blocked call reception) via a certain SIP INVITE message followed by a certain "SIP/2.0 183 Session Progress" message.

Affected products

Published 2007-08-23. Last modified 2026-06-16.