The web administration interface on Cisco Wireless LAN Controller (WLC) devices before 7.0.241, 7.1.x through 7.4.x before 7.4.122, and 7.5.x and 7.6.x before 7.6.120 allows remote authenticated users to cause a denial of service (device crash) via unspecified parameters, aka Bug IDs CSCum65159 and CSCum65252.