Vulnerability-Lookup

GHSA-3WH2-2WC5-F45W

Vulnerability from github – Published: 2026-02-11 15:30 – Updated: 2026-02-12 18:30

Details

We have already fixed the vulnerability in the following versions: QTS 5.2.8.3350 build 20251216 and later QuTS hero h5.3.2.3354 build 20251225 and later QuTS hero h5.2.8.3350 build 20251216 and later

Severity ?

9.8 (Critical)


                  
                    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

9.2 (Critical)


                  
                    CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Show details on source website

JSON

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{
  "affected": [],
  "aliases": [
    "CVE-2025-66277"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-59"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-02-11T13:15:58Z",
    "severity": "CRITICAL"
  },
  "details": "A link following vulnerability has been reported to affect several QNAP operating system versions. The remote attackers can then exploit the vulnerability to traverse the file system to unintended locations.\n\nWe have already fixed the vulnerability in the following versions:\nQTS 5.2.8.3350 build 20251216 and later\nQuTS hero h5.3.2.3354 build 20251225 and later\nQuTS hero h5.2.8.3350 build 20251216 and later",
  "id": "GHSA-3wh2-2wc5-f45w",
  "modified": "2026-02-12T18:30:21Z",
  "published": "2026-02-11T15:30:26Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-66277"
    },
    {
      "type": "WEB",
      "url": "https://www.qnap.com/en/security-advisory/qsa-26-05"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
      "type": "CVSS_V4"
    }
  ]
}

CVE-2025-66277 (GCVE-0-2025-66277)

Vulnerability from cvelistv5 – Published: 2026-02-11 12:15 – Updated: 2026-02-12 04:55

Title

QTS, QuTS hero

Summary

A link following vulnerability has been reported to affect several QNAP operating system versions. The remote attackers can then exploit the vulnerability to traverse the file system to unintended locations. We have already fixed the vulnerability in the following versions: QTS 5.2.8.3350 build 20251216 and later QuTS hero h5.3.2.3354 build 20251225 and later QuTS hero h5.2.8.3350 build 20251216 and later

Severity ?

9.2 (Critical)


                        
                          CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

CWE

CWE-59

Assigner

qnap

References

URL

Tags

https://www.qnap.com/en/security-advisory/qsa-26-05

Impacted products

Vendor

Product

Version

QNAP Systems Inc.

QTS

Affected: 5.2.x , < 5.2.8.3350 build 20251216 (custom)

QNAP Systems Inc.

QuTS hero

Affected: h5.3.x , < h5.3.2.3354 build 20251225 (custom)
Affected: h5.2.x , < h5.2.8.3350 build 20251216 (custom)

Credits

coral

Show details on NVD website

JSON

To clipboard

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  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2025-66277",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-02-11T00:00:00+00:00",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-02-12T04:55:17.675Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
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          "vendor": "QNAP Systems Inc.",
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              "status": "affected",
              "version": "5.2.x",
              "versionType": "custom"
            }
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        },
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          "vendor": "QNAP Systems Inc.",
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              "status": "affected",
              "version": "h5.3.x",
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            },
            {
              "lessThan": "h5.2.8.3350 build 20251216",
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      ],
      "credits": [
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          "lang": "en",
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        }
      ],
      "descriptions": [
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        }
      ],
      "impacts": [
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          "capecId": "CAPEC-132",
          "descriptions": [
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      ],
      "metrics": [
        {
          "cvssV4_0": {
            "Automatable": "NOT_DEFINED",
            "Recovery": "NOT_DEFINED",
            "Safety": "NOT_DEFINED",
            "attackComplexity": "LOW",
            "attackRequirements": "PRESENT",
            "attackVector": "NETWORK",
            "baseScore": 9.2,
            "baseSeverity": "CRITICAL",
            "exploitMaturity": "NOT_DEFINED",
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            "providerUrgency": "NOT_DEFINED",
            "subAvailabilityImpact": "NONE",
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            "version": "4.0",
            "vulnAvailabilityImpact": "HIGH",
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          "scenarios": [
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      "providerMetadata": {
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        "orgId": "2fd009eb-170a-4625-932b-17a53af1051f",
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      "references": [
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    "assignerShortName": "qnap",
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    "datePublished": "2026-02-11T12:15:43.851Z",
    "dateReserved": "2025-11-26T09:25:37.832Z",
    "dateUpdated": "2026-02-12T04:55:17.675Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

Action not permitted

GHSA-3WH2-2WC5-F45W

CVE-2025-66277 (GCVE-0-2025-66277)

Tags

Sightings

Nomenclature