CVE-2015-6311: Cisco Wireless Lan Controller

Medium severity, CVSS 6.1. EPSS: 0.8% chance of exploitation in the next 30 days.

Cisco Wireless LAN Controller (WLC) devices with software 7.0(240.0), 7.3(101.0), and 7.4(1.19) allow remote attackers to cause a denial of service (device outage) by sending malformed 802.11i management data to a managed access point, aka Bug ID CSCub65236.

Affected products

• Cisco Wireless Lan Controller: version 7.0(240.0) only; version 7.3(101.0) only; version 7.4(1.19) only

Published 2015-10-08. Last modified 2026-06-17.