CVE-2007-4011

Severity: high (CVSS 7.1 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2007-07-26 · updated 2026-06-16

Description

Cisco 4100 and 4400, Airespace 4000, and Catalyst 6500 and 3750 Wireless LAN Controller (WLC) software before 3.2 20070727, 4.0 before 20070727, and 4.1 before 4.1.180.0 allows remote attackers to cause a denial of service (traffic amplification or ARP storm) via a crafted unicast ARP request that (1) has a destination MAC address unknown to the Layer-2 infrastructure, aka CSCsj69233; or (2) occurs during Layer-3 roaming across IP subnets, aka CSCsj70841.

Affected products

Cisco Wireless LAN Controller (WLC): 3.2, 3.2.116.21, 4.0, 4.0.155.0, 4.1

References

http://secunia.com/advisories/26161
http://www.cisco.com/en/US/products/products_security_advisory09186a008088ab28.shtml
http://www.securityfocus.com/bid/25043
http://www.securitytracker.com/id?1018444
http://www.vupen.com/english/advisories/2007/2636
https://exchange.xforce.ibmcloud.com/vulnerabilities/35576
http://secunia.com/advisories/26161
http://www.cisco.com/en/US/products/products_security_advisory09186a008088ab28.shtml
http://www.securityfocus.com/bid/25043
http://www.securitytracker.com/id?1018444
http://www.vupen.com/english/advisories/2007/2636
https://exchange.xforce.ibmcloud.com/vulnerabilities/35576

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