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CVE-2007-4286

Estado: ModificadaAlta (9.3)—Exploit
Gravedad9.3Alta · CVSS 2.0
Probabilidad de explotación19 %mayor que el 97 % de las CVE
Explotación activaNono figura en el catálogo de CISA
Exploit públicoDisponiblePublicado en Exploit-DB

Un desbordamiento de búfer en la funcionalidad Next Hop Resolution Protocol (NHRP) en Cisco IOS versiones 12.0 hasta 12.4, permite a atacantes remotos causar una denegación de servicio (reinicio) y ejecutar código arbitrario por medio de un paquete NHRP especialmente diseñado.

CVSS

Puntuación base
9.3
Versión
2.0
Vector
AV:N/AC:M/Au:N/C:C/I:C/A:C

Probabilidad de explotación (EPSS)

Probabilidad de explotación en los próximos 30 días
19 %
Percentil entre todas las CVEs puntuadas
97
Fecha de la puntuación
20/10/2026

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Exploits públicos

Hay código de explotación o plantillas de detección públicos. No es lo mismo que explotación activa confirmada (KEV), pero aumenta el riesgo: parchee con prioridad.

Tecnologías afectadas (1)

Cisco — IOS

CWE

Referencias

Mostrar las 18 referencias

JSON original (NVD)

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{
  "id": "CVE-2007-4286",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 9.3,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:N/C:C/I:C/A:C",
          "authentication": "NONE",
          "integrityImpact": "COMPLETE",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "COMPLETE",
          "confidentialityImpact": "COMPLETE"
        },
        "acInsufInfo": false,
        "impactScore": 10,
        "baseSeverity": "HIGH",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8.6,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2007-08-09T21:17:00.000",
  "references": [
    {
      "url": "http://secunia.com/advisories/26360",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.cisco.com/en/US/products/products_security_advisory09186a008089963b.shtml",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.kb.cert.org/vuls/id/201984",
      "tags": [
        "US Government Resource"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.securityfocus.com/archive/1/475931/100/0/threaded",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.securityfocus.com/bid/25238",
      "tags": [
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      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.securitytracker.com/id?1018535",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.vupen.com/english/advisories/2007/2818",
      "source": "cve@mitre.org"
    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/35889",
      "source": "cve@mitre.org"
    },
    {
      "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5675",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://secunia.com/advisories/26360",
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    {
      "url": "http://www.cisco.com/en/US/products/products_security_advisory09186a008089963b.shtml",
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      "tags": [
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    },
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      "url": "http://www.securityfocus.com/archive/1/475931/100/0/threaded",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
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      "tags": [
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securitytracker.com/id?1018535",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
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    {
      "url": "http://www.vupen.com/english/advisories/2007/2818",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
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      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/35889",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5675",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-119"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "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."
    },
    {
      "lang": "es",
      "value": "Un desbordamiento de búfer en la funcionalidad Next Hop Resolution Protocol (NHRP) en Cisco IOS versiones 12.0 hasta 12.4, permite a atacantes remotos causar una denegación de servicio (reinicio) y ejecutar código arbitrario por medio de un paquete NHRP especialmente diseñado."
    }
  ],
  "lastModified": "2026-06-16T22:43:44.760",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:cisco:ios:12.0:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "8F86F790-6247-42F2-9487-3D60A2842F52"
            },
            {
              "criteria": "cpe:2.3:o:cisco:ios:12.1:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "1F2F9EC5-EDA2-4C99-BBF1-2F2C92AACE95"
            },
            {
              "criteria": "cpe:2.3:o:cisco:ios:12.2:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "E4BC49F2-3DCB-45F0-9030-13F6415EE178"
            },
            {
              "criteria": "cpe:2.3:o:cisco:ios:12.3:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "0668C45B-9D25-424B-B876-C1721BFFE5DA"
            },
            {
              "criteria": "cpe:2.3:o:cisco:ios:12.4:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "9D4D8C72-E7BB-40BF-9AE5-622794D63E09"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "cve@mitre.org"
}