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CVE-2018-3856

Estado: ModificadaCrítica (9.9)—

An exploitable vulnerability exists in the smart cameras RTSP configuration of the Samsung SmartThings Hub STH-ETH-250 - Firmware version 0.20.17. The device incorrectly handles spaces in the URL field, leading to an arbitrary operating system command injection. An attacker can send a series of HTTP requests to trigger this vulnerability.

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)

Samsung — Sth-eth-250 Firmware

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2018-3856",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 9,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:S/C:C/I:C/A:C",
          "authentication": "SINGLE",
          "integrityImpact": "COMPLETE",
          "accessComplexity": "LOW",
          "availabilityImpact": "COMPLETE",
          "confidentialityImpact": "COMPLETE"
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        "acInsufInfo": false,
        "impactScore": 10,
        "baseSeverity": "HIGH",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
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          "attackVector": "NETWORK",
          "baseSeverity": "CRITICAL",
          "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
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          "availabilityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "HIGH"
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    "cvssMetricV31": [
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        "type": "Primary",
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        "impactScore": 6,
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  "affected": [
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      "source": "talos-cna@cisco.com",
      "affectedData": [
        {
          "vendor": "Samsung",
          "product": "Samsung",
          "versions": [
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              "status": "affected",
              "version": "Samsung SmartThings Hub STH-ETH-250 - Firmware version 0.20.17"
            }
          ]
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    }
  ],
  "published": "2018-08-23T22:29:00.243",
  "references": [
    {
      "url": "https://talosintelligence.com/vulnerability_reports/TALOS-2018-0539",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "source": "talos-cna@cisco.com"
    },
    {
      "url": "https://talosintelligence.com/vulnerability_reports/TALOS-2018-0539",
      "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-88"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "An exploitable vulnerability exists in the smart cameras RTSP configuration of the Samsung SmartThings Hub STH-ETH-250 - Firmware version 0.20.17. The device incorrectly handles spaces in the URL field, leading to an arbitrary operating system command injection. An attacker can send a series of HTTP requests to trigger this vulnerability."
    },
    {
      "lang": "es",
      "value": "Existe una vulnerabilidad explotable en la configuración RTSP de las cámaras inteligentes de Samsung SmartThings Hub STH-ETH-250 en su versión de firmware 0.20.17. El dispositivo maneja incorrectamente espacios en el campo URL, conduciendo a una inyección de comandos del sistema operativo arbitrarios. Un atacante puede enviar una serie de peticiones HTTP para provocar esta vulnerabilidad."
    }
  ],
  "lastModified": "2026-06-17T01:57:54.627",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
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          "operator": "OR"
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      "operator": "AND"
    }
  ],
  "sourceIdentifier": "talos-cna@cisco.com"
}