CVE-2013-6699: Cisco Wireless Lan Controller

Medium severity, CVSS 5.0. EPSS: 1.2% chance of exploitation in the next 30 days.

The Control and Provisioning of Wireless Access Points (CAPWAP) protocol implementation on Cisco Wireless LAN Controller (WLC) devices allows remote attackers to cause a denial of service via a crafted CAPWAP packet that triggers a buffer over-read, aka Bug ID CSCuh81880.

Affected products

• Cisco Wireless Lan Controller: any version

Published 2013-11-22. Last modified 2026-06-17.