{"id":"CVE-2007-4286","aliases":["EUVD-2007-4269","GHSA-4xx2-mrcw-w2xx"],"status":"published","title":"Buffer overflow in the Next Hop Resolution Protocol (NHRP) functionality in Cisco IOS 12.0...","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.","severity":{"version":"2.0","score":9.3,"vector":"AV:N/AC:M/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.19407,"percentile":0.97378,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-119"],"published":"2007-08-09T21:00:00Z","modified":"2026-06-16T22:43:44Z","exploits":[{"source":"exploitdb","id":"EDB-4272","title":"Cisco IOS Next Hop Resolution Protocol (NHRP) - Denial of Service","type":"dos","platform":"windows","date":"2007-08-09","verified":true,"url":"https://www.exploit-db.com/exploits/4272"}],"products":[{"vendor":"cisco","product":"ios"}],"references":[{"url":"http://www.securityfocus.com/bid/25238","tags":["vdb-entry","x_refsource_BID","x_transferred","Exploit"]},{"url":"http://secunia.com/advisories/26360","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred"]},{"url":"http://www.kb.cert.org/vuls/id/201984","tags":["third-party-advisory","x_refsource_CERT-VN","x_transferred","US Government Resource"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/35889","tags":["vdb-entry","x_refsource_XF","x_transferred"]},{"url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5675","tags":["vdb-entry","signature","x_refsource_OVAL","x_transferred"]},{"url":"http://www.securityfocus.com/archive/1/475931/100/0/threaded","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred"]},{"url":"http://www.vupen.com/english/advisories/2007/2818","tags":["vdb-entry","x_refsource_VUPEN","x_transferred"]},{"url":"http://www.cisco.com/en/US/products/products_security_advisory09186a008089963b.shtml","tags":["vendor-advisory","x_refsource_CISCO","x_transferred"]},{"url":"http://www.securitytracker.com/id?1018535","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2007-4286"},{"url":"https://github.com/advisories/GHSA-4xx2-mrcw-w2xx"}],"sources":{"cve":[{"id":"CVE-2007-4286","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.","status":"published","published":"2007-08-09T21:00:00Z","modified":"2024-08-07T14:53:55.382Z","updated_at":"2026-11-02T13:33:30.262137Z"}],"euvd":[{"id":"EUVD-2007-4269","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.","status":"published","published":"2007-08-09T21:00:00Z","modified":"2024-08-07T14:53:55Z","updated_at":"2026-11-03T01:16:22.435667Z"}],"ghsa":[{"id":"GHSA-4xx2-mrcw-w2xx","title":"Buffer overflow in the Next Hop Resolution Protocol (NHRP) functionality in Cisco IOS 12.0...","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.","status":"published","published":"2022-05-01T18:21:57Z","modified":"2023-01-31T05:04:34Z","cwes":["CWE-119"],"updated_at":"2026-11-02T14:48:41.545541Z"}],"nvd":[{"id":"CVE-2007-4286","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.","status":"published","published":"2007-08-09T21:17:00Z","modified":"2026-06-16T22:43:44.76Z","cvss":[{"version":"2.0","score":9.3,"vector":"AV:N/AC:M/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T14:01:17.964611Z"}]}}