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Vulnerability record · CVE-2007-4286 · published 9 August 2007

CVE-2007-4286: Cisco ios memory buffer overflow vulnerability

Cisco · Ios

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.

9.3 CVSS 2.0 High EPSS 19% · top 2.7% CWE-119 · Memory buffer overflow
9.3CVSS 2.0 base score
19%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
18References, 2 tagged exploit
16 Jun 2026Last modified by NVD

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.

AV:N/AC:M/Au:N/C:C/I:C/A:C

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://secunia.com/advisories/26360
http://www.cisco.com/en/US/products/products_security_advisory09186a008089963b.shtml
http://www.kb.cert.org/vuls/id/201984 US Government Resource
http://www.securityfocus.com/archive/1/475931/100/0/threaded
http://www.securityfocus.com/bid/25238 Exploit
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 US Government Resource
http://www.securityfocus.com/archive/1/475931/100/0/threaded
http://www.securityfocus.com/bid/25238 Exploit
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

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2007-4286), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.