Cisco Wireless LAN Controller (WLC) Software 7.4 before 7.4.130.0(MD) and 7.5, 7.6, and 8.0 before 8.0.110.0(ED) allows remote attackers to cause a denial of service (device reload) via crafted Bonjour traffic, aka Bug ID CSCur66908.
http://www.securitytracker.com/id/1035632
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160420-bdos