Juniper WLC devices with WLAN Software releases 8.0.x before 8.0.4 9.0.x before 9.0.2.11 9.0.3.x before 9.0.3.5 and 9.1.x before 9.1.1 when \Proxy ARP\ or \No Broadcast\ features are enabled in a clustered setup allows remote attackers to cause a denial of service (device disconnect) via unspecified vectors.