CVE-2012-0369: Cisco 2000 Wireless Lan Controller

High severity, CVSS 7.8. EPSS: 1.9% chance of exploitation in the next 30 days.

Cisco Wireless LAN Controller (WLC) devices with software 6.0 and 7.0 before 7.0.220.0, 7.1 before 7.1.91.0, and 7.2 before 7.2.103.0 allow remote attackers to cause a denial of service (device reload) via a sequence of IPv6 packets, aka Bug ID CSCtt07949.

Affected products

• Cisco 2000 Wireless Lan Controller
• Cisco 2100 Wireless Lan Controller
• Cisco 2106 Wireless Lan Controller
• Cisco 2112 Wireless Lan Controller
• Cisco 2125 Wireless Lan Controller
• Cisco 2500 Wireless Lan Controller
• Cisco 2504 Wireless Lan Controller
• Cisco 4100 Wireless Lan Controller
• Cisco 4400 Wireless Lan Controller
• Cisco 4402 Wireless Lan Controller
• Cisco 4404 Wireless Lan Controller
• Cisco 5508 Wireless Controller
• Cisco Wireless Lan Controller Software: version 6.0 only; version 6.0.182.0 only; version 6.0.188.0 only; version 6.0.196.0 only; version 6.0.199.0 only; version 6.0.199.4 only; …

Published 2012-03-01. Last modified 2026-06-16.