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CVE-2025-66277 QTS, QuTS hero

🗓️ 11 Feb 2026 12:15:43Reported by qnapType 
cvelist
 cvelist
🔗 www.cve.org👁 19 Views

CVE-2025-66277 enables remote file system traversal on QTS and QuTS hero; fixes in listed builds.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2025-66277
11 Feb 202612:15
attackerkb
Circl
CVE-2025-66277
11 Feb 202619:02
circl
CNNVD
QNAP Systems QTS和QNAP Systems QuTS hero 后置链接漏洞
11 Feb 202600:00
cnnvd
CVE
CVE-2025-66277
11 Feb 202612:15
cve
NVD
CVE-2025-66277
11 Feb 202613:15
nvd
Positive Technologies
PT-2026-7574
11 Feb 202600:00
ptsecurity
RedhatCVE
CVE-2025-66277
12 Feb 202613:43
redhatcve
Tenable Nessus
Qnap QTS and QuTS Improper Link Resolution Before File Access (CVE-2025-66277)
9 Mar 202600:00
nessus
Vulnrichment
CVE-2025-66277 QTS, QuTS hero
11 Feb 202612:15
vulnrichment
[
  {
    "defaultStatus": "unaffected",
    "product": "QTS",
    "vendor": "QNAP Systems Inc.",
    "versions": [
      {
        "lessThan": "5.2.8.3350 build 20251216",
        "status": "affected",
        "version": "5.2.x",
        "versionType": "custom"
      }
    ]
  },
  {
    "defaultStatus": "unaffected",
    "product": "QuTS hero",
    "vendor": "QNAP Systems Inc.",
    "versions": [
      {
        "lessThan": "h5.3.2.3354 build 20251225",
        "status": "affected",
        "version": "h5.3.x",
        "versionType": "custom"
      },
      {
        "lessThan": "h5.2.8.3350 build 20251216",
        "status": "affected",
        "version": "h5.2.x",
        "versionType": "custom"
      }
    ]
  }
]

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11 Feb 2026 12:15Current
CVSS 49.2
EPSS0.00633
19