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CVE-2025-53406

Full vulnerability record from the local CVENow database.

Description

A use of externally-controlled format string vulnerability has been reported to affect several QNAP operating system versions. If a remote attacker gains an administrator account, they can then exploit the vulnerability to obtain secret data or modify memory. We have already fixed the vulnerability in the following versions: QTS 5.2.6.3195 build 20250715 and later QuTS hero h5.2.6.3195 build 20250715 and later

Severity
MEDIUM
CVSS score
5.1 (v4.0)
Vulnerability status
Analyzed
Source identifier
[email protected]
Published
2025-10-03 19:15:48.543000
Last modified
2026-10-18 21:10:00.120000
View original CVE JSON 
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  "id": "CVE-2025-53406",
  "sourceIdentifier": "[email protected]",
  "published": "2025-10-03T19:15:48.543",
  "lastModified": "2026-10-18T21:10:00.120",
  "vulnStatus": "Analyzed",
  "cveTags": [],
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      "value": "A use of externally-controlled format string vulnerability has been reported to affect several QNAP operating system versions. If a remote attacker gains an administrator account, they can then exploit the vulnerability to obtain secret data or modify memory.\n\nWe have already fixed the vulnerability in the following versions:\nQTS 5.2.6.3195 build 20250715 and later\nQuTS hero h5.2.6.3195 build 20250715 and later"
    },
    {
      "lang": "es",
      "value": "Una vulnerabilidad de cadena de formato controlada externamente ha sido reportada que afecta varias versiones del sistema operativo QNAP. Si un atacante remoto obtiene una cuenta de administrador, puede entonces explotar la vulnerabilidad para obtener datos secretos o modificar la memoria.\n\nYa hemos corregido la vulnerabilidad en las siguientes versiones:\nQTS 5.2.6.3195 build 20250715 y posteriores\nQuTS hero h5.2.6.3195 build 20250715 y posteriores"
    }
  ],
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      "source": "[email protected]",
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      "url": "https://www.qnap.com/en/security-advisory/qsa-25-36",
      "source": "[email protected]",
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