CVE-2012-5991: Cisco 2000 Wireless Lan Controller

Medium severity, CVSS 6.3. EPSS: 5.5% chance of exploitation in the next 30 days.

screens/base/web_auth_custom.html on Cisco Wireless LAN Controller (WLC) devices with software 7.2.110.0 allows remote authenticated users to cause a denial of service (device reload) via a certain buttonClicked value in an internal webauth_type request, aka Bug ID CSCud50209.

Affected products

• Cisco 2000 Wireless Lan Controller
• Cisco 2100 Wireless Lan Controller
• Cisco 2500 Wireless Lan Controller
• Cisco 4100 Wireless Lan Controller
• Cisco 4400 Wireless Lan Controller
• Cisco 5500 Wireless Lan Controller
• Cisco 7500 Wireless Lan Controller
• Cisco 8500 Wireless Lan Controller
• Cisco Wireless Lan Controller Software: version 7.2.110.0 only

Published 2012-12-19. Last modified 2026-06-16.