CVE-2008-4999: Nortel Unistim IP Phone

High severity, CVSS 7.8. EPSS: 3.8% chance of exploitation in the next 30 days.

Nortel Networks UNIStim IP Phone 0604DAS allows remote attackers to cause a denial of service (crash) via a long ping packet ("ping of death"). NOTE: this issue could not be reproduced by a third party, who tested it on 0604DAD. In addition, the original researcher was not able to reliably reproduce the issue.

Affected products

• Nortel Unistim IP Phone: version 0604das only

Published 2008-11-07. Last modified 2026-06-16.