CVE-2007-0199: Cisco IOS

Medium severity, CVSS 5.0. EPSS: 2.6% chance of exploitation in the next 30 days.

The Data-link Switching (DLSw) feature in Cisco IOS 11.0 through 12.4 allows remote attackers to cause a denial of service (device reload) via "an invalid value in a DLSw message... during the capabilities exchange."

Affected products

• Cisco IOS: up to and including 12.4; version 11.0 only

Published 2007-01-11. Last modified 2026-06-16.