CVE-2007-4286

Severity: critical (CVSS 9.3 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 19.4% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2007-08-09 · updated 2026-06-16
Weakness: CWE-119

Description

Buffer overflow in the Next Hop Resolution Protocol (NHRP) functionality in Cisco IOS 12.0 through 12.4 allows remote attackers to cause a denial of service (restart) and execute arbitrary code via a crafted NHRP packet.

Affected products

Cisco IOS: 12.0, 12.1, 12.2, 12.3, 12.4

References

http://secunia.com/advisories/26360
http://www.cisco.com/en/US/products/products_security_advisory09186a008089963b.shtml
http://www.kb.cert.org/vuls/id/201984
http://www.securityfocus.com/archive/1/475931/100/0/threaded
http://www.securityfocus.com/bid/25238
http://www.securitytracker.com/id?1018535
http://www.vupen.com/english/advisories/2007/2818
https://exchange.xforce.ibmcloud.com/vulnerabilities/35889
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5675
http://secunia.com/advisories/26360
http://www.cisco.com/en/US/products/products_security_advisory09186a008089963b.shtml
http://www.kb.cert.org/vuls/id/201984

Get alerted when CVE-2007-4286 or the next vulnerability affects your stack