CVE-2014-0704: Cisco Wireless Lan Controller

High severity, CVSS 7.1. EPSS: 1.2% chance of exploitation in the next 30 days.

The IGMP implementation on Cisco Wireless LAN Controller (WLC) devices 4.x, 5.x, 6.x, 7.0 before 7.0.250.0, 7.1, 7.2, and 7.3, when IGMPv3 Snooping is enabled, allows remote attackers to cause a denial of service (memory over-read and device restart) via a crafted field in an IGMPv3 message, aka Bug ID CSCuh33240.

Affected products

• Cisco Wireless Lan Controller
• Cisco Wireless Lan Controller Software: version 4.0 only; version 4.0.108 only; version 4.0.155.0 only; version 4.0.155.5 only; version 4.0.179.8 only; version 4.0.179.11 only; …

Published 2014-03-06. Last modified 2026-06-17.