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CVE-2017-18373

Estado: ModificadaAlta (8.8)—

The Billion 5200W-T TCLinux Fw $7.3.8.0 v008 130603 router distributed by TrueOnline has three user accounts with default passwords, including two hardcoded service accounts: one with the username true and password true, and another with the username user3 and and a long password consisting of a repetition of the string 0123456789. These accounts can be used to login to the web interface, exploit authenticated command injections, and change router settings for malicious purposes.

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)

Billion — 5200w-t Firmware

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2017-18373",
  "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"
        },
        "acInsufInfo": false,
        "impactScore": 10,
        "baseSeverity": "HIGH",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV30": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.0",
          "baseScore": 8.8,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 2.8
      }
    ]
  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2019-05-02T17:29:01.363",
  "references": [
    {
      "url": "https://raw.githubusercontent.com/pedrib/PoC/master/advisories/zyxel_trueonline.txt",
      "tags": [
        "Exploit",
        "Third Party Advisory"
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      "source": "cve@mitre.org"
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      "url": "https://seclists.org/fulldisclosure/2017/Jan/40",
      "tags": [
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        "Mailing List",
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      "source": "cve@mitre.org"
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      "tags": [
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        "Third Party Advisory"
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      "source": "cve@mitre.org"
    },
    {
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      "tags": [
        "Exploit",
        "Third Party Advisory"
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://seclists.org/fulldisclosure/2017/Jan/40",
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        "Exploit",
        "Mailing List",
        "Third Party Advisory"
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      "tags": [
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        "Technical Description",
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      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
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  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-798"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "The Billion 5200W-T TCLinux Fw $7.3.8.0 v008 130603 router distributed by TrueOnline has three user accounts with default passwords, including two hardcoded service accounts: one with the username true and password true, and another with the username user3 and and a long password consisting of a repetition of the string 0123456789. These accounts can be used to login to the web interface, exploit authenticated command injections, and change router settings for malicious purposes."
    },
    {
      "lang": "es",
      "value": "El router 5200W-T TCLinux Fw $ 7.3.8.0 versión 008 130603 de Billion distribuido por TrueOnline tiene tres cuentas de usuario con contraseñas por defecto, incluyendo dos cuentas de servicio codificadas: una con el nombre de usuario y contraseña auténtico, y el otro con el nombre de usuario user3 y una contraseña larga que consiste en una repetición de la cadena 0123456789. Estas cuentas pueden ser usadas para iniciar sesión en la interfaz web, aprovechar inyecciones de comandos identificadas y cambiar la configuración del router para fines maliciosos."
    }
  ],
  "lastModified": "2026-06-17T01:12:42.703",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:billion:5200w-t_firmware:7.3.8.0:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "C756E02F-45B7-4F40-AEEC-DCC334023F8B"
            }
          ],
          "operator": "OR"
        },
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            }
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          "operator": "OR"
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      ],
      "operator": "AND"
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  ],
  "sourceIdentifier": "cve@mitre.org"
}