{"id":"CVE-2007-2038","aliases":["EUVD-2007-2033","GHSA-7vw2-4wvp-q8jh"],"status":"published","title":"The Network Processing Unit (NPU) in the Cisco Wireless LAN Controller (WLC) before 3.2.193.5, 4...","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.","severity":{"version":"2.0","score":6.1,"vector":"AV:A/AC:L/Au:N/C:N/I:N/A:C","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-07","score":0.00982,"percentile":0.62485,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2007-04-16T21:00:00Z","modified":"2026-06-16T22:38:47Z","products":[{"vendor":"cisco","product":"2000_wireless_lan_controller"},{"vendor":"cisco","product":"2100_wireless_lan_controller"},{"vendor":"cisco","product":"4100_wireless_lan_controller"},{"vendor":"cisco","product":"4400_wireless_lan_controller"}],"references":[{"url":"http://www.vupen.com/english/advisories/2007/1368","tags":["vdb-entry","x_refsource_VUPEN","x_transferred"]},{"url":"http://www.cisco.com/warp/public/707/cisco-sa-20070412-wlc.shtml","tags":["vendor-advisory","x_refsource_CISCO","x_transferred","Vendor Advisory"]},{"url":"http://securitytracker.com/id?1017908","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/33609","tags":["vdb-entry","x_refsource_XF","x_transferred"]},{"url":"http://www.osvdb.org/34136","tags":["vdb-entry","x_refsource_OSVDB","x_transferred"]},{"url":"http://www.securityfocus.com/bid/23461","tags":["vdb-entry","x_refsource_BID","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2007-2038"},{"url":"https://github.com/advisories/GHSA-7vw2-4wvp-q8jh"}],"sources":{"cve":[{"id":"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.","status":"published","published":"2007-04-16T21:00:00Z","modified":"2024-08-07T13:23:49.686Z","updated_at":"2026-11-02T13:32:34.372976Z"}],"euvd":[{"id":"EUVD-2007-2033","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.","status":"published","published":"2007-04-16T21:00:00Z","modified":"2024-08-07T13:23:49Z","updated_at":"2026-11-03T01:38:23.350618Z"}],"ghsa":[{"id":"GHSA-7vw2-4wvp-q8jh","title":"The Network Processing Unit (NPU) in the Cisco Wireless LAN Controller (WLC) before 3.2.193.5, 4...","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.","status":"published","published":"2022-05-01T17:59:24Z","modified":"2023-01-31T05:03:43Z","updated_at":"2026-11-02T14:48:31.896636Z"}],"nvd":[{"id":"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.","status":"published","published":"2007-04-16T21:19:00Z","modified":"2026-06-16T22:38:47.893Z","cvss":[{"version":"2.0","score":6.1,"vector":"AV:A/AC:L/Au:N/C:N/I:N/A:C","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:01:14.732044Z"}]}}