The Network Processing Unit (NPU) in the Cisco Wireless LAN Controller (WLC) before 3.2.193.5, 4.0.x before 4.0.206.0, and 4.1.x allows remote attackers on a local wireless network to cause a denial of service (loss of packet forwarding) via (1) crafted SNAP packets, (2) malformed 802.11 traffic, or (3) packets with certain header length values, aka Bug ID CSCsg36361.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| 2000_wireless_lan_controller | Cisco | * | * |
| 4100_wireless_lan_controller | Cisco | * | * |
| 4400_wireless_lan_controller | Cisco | * | * |
| 2100_wireless_lan_controller | Cisco | * | * |