CVE-2007-5651

Severity: high (CVSS 7.1 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.8% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2007-10-23 · updated 2026-06-16

Description

Unspecified vulnerability in the Extensible Authentication Protocol (EAP) implementation in Cisco IOS 12.3 and 12.4 on Cisco Access Points and 1310 Wireless Bridges (Wireless EAP devices), IOS 12.1 and 12.2 on Cisco switches (Wired EAP devices), and CatOS 6.x through 8.x on Cisco switches allows remote attackers to cause a denial of service (device reload) via a crafted EAP Response Identity packet.

Affected products

Cisco Catos: 6.1, 6.2, 6.3, 6.4, 7.1, 7.2 (+9)
Cisco IOS: 12.1, 12.2, 12.3ja, 12.3jea, 12.3jeb, 12.3jec (+1)

References

http://secunia.com/advisories/27329
http://www.cisco.com/en/US/products/products_security_response09186a00808de8bb.html
http://www.securityfocus.com/bid/26139
http://www.securitytracker.com/id?1018842
http://www.vupen.com/english/advisories/2007/3566
https://exchange.xforce.ibmcloud.com/vulnerabilities/37300
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5288
http://secunia.com/advisories/27329
http://www.cisco.com/en/US/products/products_security_response09186a00808de8bb.html
http://www.securityfocus.com/bid/26139
http://www.securitytracker.com/id?1018842
http://www.vupen.com/english/advisories/2007/3566

Get alerted when CVE-2007-5651 or the next vulnerability affects your stack