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CVE-2017-2856

Estado: ModificadaAlta (8.1)—

An exploitable buffer overflow vulnerability exists in the DDNS client used by the Foscam C1 Indoor HD Camera running application firmware 2.52.2.43. On devices with DDNS enabled, an attacker who is able to intercept HTTP connections will be able to fully compromise the device by creating a rogue HTTP server.

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 (1)

Foscam — C1 Firmware

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2017-2856",
  "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,
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        "baseSeverity": "HIGH",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8.6,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
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    "cvssMetricV30": [
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          "scope": "UNCHANGED",
          "version": "3.0",
          "baseScore": 8.1,
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          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
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          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
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        "impactScore": 5.9,
        "exploitabilityScore": 2.2
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    ],
    "cvssMetricV31": [
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        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
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          "confidentialityImpact": "HIGH"
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        "impactScore": 5.9,
        "exploitabilityScore": 2.2
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  },
  "affected": [
    {
      "source": "talos-cna@cisco.com",
      "affectedData": [
        {
          "vendor": "Foscam",
          "product": "Foscam Indoor IP Camera C1 Series",
          "versions": [
            {
              "status": "affected",
              "version": "System Firmware Version: 1.9.3.18,Application Firmware Version: 2.52.2.43,Plug-In Version: 3.3.0.26"
            }
          ]
        }
      ]
    }
  ],
  "published": "2018-09-17T20:29:00.523",
  "references": [
    {
      "url": "https://www.talosintelligence.com/vulnerability_reports/TALOS-2017-0359",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "source": "talos-cna@cisco.com"
    },
    {
      "url": "https://www.talosintelligence.com/vulnerability_reports/TALOS-2017-0359",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-120"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "An exploitable buffer overflow vulnerability exists in the DDNS client used by the Foscam C1 Indoor HD Camera running application firmware 2.52.2.43. On devices with DDNS enabled, an attacker who is able to intercept HTTP connections will be able to fully compromise the device by creating a rogue HTTP server."
    },
    {
      "lang": "es",
      "value": "Existe una vulnerabilidad explotable de desbordamiento de búfer en el cliente DDNS empleado por Foscam C1 Indoor HD Camera ejecutando el firmware de aplicación 2.52.2.43. En dispositivos con DDNS habilitado, un atacante que pueda interceptar conexiones HTTP podrá comprometer completamente el dispositivo creando un servidor HTTP fraudulento."
    }
  ],
  "lastModified": "2026-06-17T01:17:00.333",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
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      "operator": "AND"
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  ],
  "sourceIdentifier": "talos-cna@cisco.com"
}