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    CVE-2007-4286

    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.

    Published:Aug 9, 2007
    Last Modified:Apr 23, 2026
    EPS:Aug 9, 2007
    EPSS Score:0.63381
    CVSS Score:9.3

    Affected Products

    Vendor
    Cisco
    Product
    Ios

    Exploits

    http://www.securityfocus.com/bid/25238http://www.securityfocus.com/bid/25238https://www.exploit-db.com/exploits/4272

    Related CVEs

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    CVE-2026-20125 (CVSS 7.7) — A vulnerability in the HTTP Server feature of Cisco IOS Software and Cisco IOS XE Software Release 3E could al…
    CVE-2026-20012 (CVSS 8.6) — A vulnerability in the Internet Key Exchange version 2 (IKEv2) feature of Cisco IOS Software, Cisco IOS XE Sof…
    CVE-2025-20363 (CVSS 9) — A vulnerability in the web services of Cisco Secure Firewall Adaptive Security Appliance (ASA) Software, Cisco…
    CVE-2025-20149 (CVSS 6.5) — A vulnerability in the CLI of Cisco IOS Software and Cisco IOS XE Software could allow an authenticated, local…
    CVE-2025-20327 (CVSS 7.7) — A vulnerability in the web UI of Cisco IOS Software could allow an authenticated, remote attacker with low pri…
    CVE-2025-20352 (CVSS 7.7) — A vulnerability in the Simple Network Management Protocol (SNMP) subsystem of Cisco IOS Software and Cisco IOS…
    CVE-2025-20160 (CVSS 8.1) — A vulnerability in the implementation of the TACACS+ protocol in Cisco IOS Software and Cisco IOS XE Software …
    CVE-2025-20253 (CVSS 8.6) — A vulnerability in the IKEv2 feature of Cisco IOS Software, IOS XE Software, Secure Firewall ASA Software, and…
    CVE-2025-20239 (CVSS 8.6) — A vulnerability in the Internet Key Exchange Version 2 (IKEv2) feature of Cisco IOS Software, IOS XE Software,…

    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
    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

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High