Unrated severityNVD Advisory· Published Apr 16, 2007· Updated Jun 16, 2026
CVE-2007-2038
CVE-2007-2038
Description
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.
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Affected products
5cpe:2.3:h:cisco:2000_wireless_lan_controller:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:h:cisco:2000_wireless_lan_controller:*:*:*:*:*:*:*:*
- cpe:2.3:h:cisco:4400_wireless_lan_controller:*:*:*:*:*:*:*:*
- cpe:2.3:h:cisco:2100_wireless_lan_controller:*:*:*:*:*:*:*:*
- cpe:2.3:h:cisco:4100_wireless_lan_controller:*:*:*:*:*:*:*:*
- Range: <3.2.193.5 (and 4.0.x <4.0.206.0, 4.1.x affected)
Patches
Vulnerability mechanics
References
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