The web-authentication functionality on Cisco Wireless LAN Controller (WLC) devices 7.3(103.8) and 7.4(110.0) allows remote attackers to cause a denial of service (device reload) via a malformed password, aka Bug ID CSCui57980.
http://www.securitytracker.com/id/1031990
http://tools.cisco.com/security/center/viewAlert.x?alertId=38076