What’s Vulnerable › Vulnerabilities

CVE-2007-2038

• Severity: medium (CVSS 6.1 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.0% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2007-04-16 · updated 2026-06-16

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.

Affected products

• Cisco 2000 Wireless Lan Controller: all versions
• Cisco 2100 Wireless Lan Controller: all versions
• Cisco 4100 Wireless Lan Controller: all versions
• Cisco 4400 Wireless Lan Controller: all versions

References

• http://securitytracker.com/id?1017908
• http://www.cisco.com/warp/public/707/cisco-sa-20070412-wlc.shtml
• http://www.osvdb.org/34136
• http://www.securityfocus.com/bid/23461
• http://www.vupen.com/english/advisories/2007/1368
• https://exchange.xforce.ibmcloud.com/vulnerabilities/33609
• http://securitytracker.com/id?1017908
• http://www.cisco.com/warp/public/707/cisco-sa-20070412-wlc.shtml
• http://www.osvdb.org/34136
• http://www.securityfocus.com/bid/23461
• http://www.vupen.com/english/advisories/2007/1368
• https://exchange.xforce.ibmcloud.com/vulnerabilities/33609

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