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CVE-2016-8276

Estado: ModificadaCrítica (9.8)—

Desbordamiento de búfer en el módulo Point-to-Point Protocol over Ethernet (PPPoE) en gateways de seguridad unificadasHuawei USG2100, USG2200, USG5100 y USG5500 con software en versiones anteriores a V300R001C10SPC600, cuando la autenticación CHAP está configurada en el servidor, permite a atacantes remotos provocar una denegación de servicio (reinicio del servidor) o ejecutar código arbitrario a través de paquetes manipulados enviados durante la autenticación.

CVSS

Probabilidad de explotación (EPSS)

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).

Tecnologías afectadas (4)

Huawei — Usg2100Huawei — Usg2200Huawei — Usg5100Huawei — Usg5500

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2016-8276",
  "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
      }
    ],
    "cvssMetricV30": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.0",
          "baseScore": 9.8,
          "attackVector": "NETWORK",
          "baseSeverity": "CRITICAL",
          "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 3.9
      }
    ]
  },
  "affected": [
    {
      "source": "psirt@huawei.com",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2016-10-03T21:59:09.457",
  "references": [
    {
      "url": "http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20160914-01-usg-en",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "psirt@huawei.com"
    },
    {
      "url": "http://www.securityfocus.com/bid/92962",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "psirt@huawei.com"
    },
    {
      "url": "http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20160914-01-usg-en",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securityfocus.com/bid/92962",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "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 Point-to-Point Protocol over Ethernet (PPPoE) module in Huawei USG2100, USG2200, USG5100, and USG5500 unified security gateways with software before V300R001C10SPC600, when CHAP authentication is configured on the server, allows remote attackers to cause a denial of service (server restart) or execute arbitrary code via crafted packets sent during authentication."
    },
    {
      "lang": "es",
      "value": "Desbordamiento de búfer en el módulo Point-to-Point Protocol over Ethernet (PPPoE) en gateways de seguridad unificadasHuawei USG2100, USG2200, USG5100 y USG5500 con software en versiones anteriores a V300R001C10SPC600, cuando la autenticación CHAP está configurada en el servidor, permite a atacantes remotos provocar una denegación de servicio (reinicio del servidor) o ejecutar código arbitrario a través de paquetes manipulados enviados durante la autenticación."
    }
  ],
  "lastModified": "2026-06-17T00:54:04.783",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
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          "operator": "OR"
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  "sourceIdentifier": "psirt@huawei.com"
}