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.