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CVE-2025-66274

Estado: ModificadaMedia (5.1)—

A NULL pointer dereference 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 launch a denial-of-service (DoS) attack.

We have already fixed the vulnerability in the following versions: QTS 5.2.9.3410 build 20260214 and later QuTS hero h5.2.9.3410 build 20260214 and later QuTS hero h5.3.2.3354 build 20251225 and later QuTS hero h6.0.0.3397 build 20260206 and later

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)

CWE

Referencias

JSON original (NVD)

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  "published": "2026-02-11T13:15:58.243",
  "references": [
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      "url": "https://www.qnap.com/en/security-advisory/qsa-26-08",
      "tags": [
        "Vendor Advisory"
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      "source": "security@qnapsecurity.com.tw"
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      "source": "security@qnapsecurity.com.tw",
      "description": [
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          "value": "CWE-476"
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      "value": "A NULL pointer dereference 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 launch a denial-of-service (DoS) attack.\n\nWe have already fixed the vulnerability in the following versions:\nQTS 5.2.9.3410 build 20260214 and later\nQuTS hero h5.2.9.3410 build 20260214 and later\nQuTS hero h5.3.2.3354 build 20251225 and later\nQuTS hero h6.0.0.3397 build 20260206 and later"
    },
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    }
  ],
  "lastModified": "2026-06-17T09:56:35.760",
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