{
    "id": "CVE-2007-4286",
    "published": "2007-08-09 21:17:00",
    "last_modified": "2026-06-16 22:43:44",
    "cvss_score": "9.3",
    "cvss_severity": "HIGH",
    "cvss_version": "2.0",
    "cvss_vector": "AV:N/AC:M/Au:N/C:C/I:C/A:C",
    "cwe": "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.",
    "epss_score": "0.19407",
    "epss_percentile": "0.97282",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 1,
    "updated_at": "2026-09-30 18:17:06",
    "priority": {
        "rank": 2,
        "label": "Patch early",
        "why": "A public exploit exists."
    },
    "products": [
        {
            "vendor": "cisco",
            "product": "ios"
        }
    ],
    "kev_detail": null,
    "exploits": [
        {
            "source": "exploit-db",
            "ref_id": "4272",
            "title": "Cisco IOS Next Hop Resolution Protocol (NHRP) - Denial of Service",
            "date": "2007-08-09",
            "url": "https://www.exploit-db.com/exploits/4272"
        }
    ],
    "refs_list": [
        "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"
    ]
}