The multicast listener discovery (MLD) service on Cisco Wireless LAN Controller (WLC) devices 7.2, 7.3, 7.4 before 7.4.121.0, and 7.5, when MLDv2 Snooping is enabled, allows remote attackers to cause a denial of service (device restart) via a malformed IPv6 MLDv2 packet, aka Bug ID CSCuh74233.
| Software | From | Fixed in |
|---|---|---|
| cisco / wireless_lan_controller_software | 7.2 | 7.2.x |
| cisco / wireless_lan_controller_software | 7.2.103.0 | 7.2.103.0.x |
| cisco / wireless_lan_controller_software | 7.2.110.0 | 7.2.110.0.x |
| cisco / wireless_lan_controller_software | 7.3 | 7.3.x |
| cisco / wireless_lan_controller_software | 7.3.101.0 | 7.3.101.0.x |
| cisco / wireless_lan_controller_software | 7.4.100.0 | 7.4.100.0.x |
| cisco / wireless_lan_controller_software | 7.4.100.60 | 7.4.100.60.x |
| cisco / wireless_lan_controller_software | 7.5 | 7.5.x |
| cisco / wireless_lan_controller | - | - |