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CVE-2018-7300

Status: ModifiedCritical (9.8)—

Directory Traversal / Arbitrary File Write / Remote Code Execution in the User.setLanguage method in eQ-3 AG Homematic CCU2 2.29.2 and earlier allows remote attackers to write arbitrary files to the device's filesystem. This vulnerability can be exploited by unauthenticated attackers with access to the web interface.

CVSS

Exploitation probability (EPSS)

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

Affected technologies (1)

Eq-3 — Homematic Ccu2 Firmware

CWEs

References

Raw JSON (NVD)

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{
  "id": "CVE-2018-7300",
  "cveTags": [],
  "metrics": {
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          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:C/I:C/A:C",
          "authentication": "NONE",
          "integrityImpact": "COMPLETE",
          "accessComplexity": "LOW",
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          "confidentialityImpact": "COMPLETE"
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          "baseSeverity": "CRITICAL",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
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  "published": "2018-02-22T19:29:05.733",
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  "vulnStatus": "Modified",
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      "description": [
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          "lang": "en",
          "value": "CWE-22"
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      "lang": "en",
      "value": "Directory Traversal / Arbitrary File Write / Remote Code Execution in the User.setLanguage method in eQ-3 AG Homematic CCU2 2.29.2 and earlier allows remote attackers to write arbitrary files to the device's filesystem. This vulnerability can be exploited by unauthenticated attackers with access to the web interface."
    },
    {
      "lang": "es",
      "value": "Salto de directorio/lectura de archivos arbitrarios/ejecución remota de código en el método User.setLanguage en eQ-3 AG Homematic CCU2, en versiones 2.29.2 y anteriores, permite que atacantes remotos escriban archivos arbitrarios en el sistema de archivos del dispositivo. Esta vulnerabilidad podría ser explotada por atacantes no autenticados con acceso a la interfaz web."
    }
  ],
  "lastModified": "2026-06-17T02:02:58.693",
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