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TI-2025-40754 Aliases CVE-2025-66276GHSA-67cg-rrvw-5r8m

QuTS hero is not affected.

Priority MEDIUM 41Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Attack requirements
Present
Impact type
—
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA.

Summary

QuTS hero is not affected. We have already fixed the vulnerability in the following version: QTS 5.2.7.3256 build 20250913 and later

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.0029 21st percentileScored 2026-11-07
Fix Fixed QTS (QNAP Systems Inc.): 5.2.7.3256 build 20250913QuTS hero (QNAP Systems Inc.): ?

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
QNAPQTS5.2.0 to before 5.2.7.3256 build 202509135.2.7.3256 build 20250913Patch availableCNA
QNAPQuTS hero—?Patch availableCNA
  • QTS VendorQNAP Affected 5.2.0 to before 5.2.7.3256 build 20250913 Fixed in 5.2.7.3256 build 20250913 Patch available CNA
  • QuTS hero VendorQNAP Affected — Fixed in ? Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:o:qnap:qts:*:*:*:*:*:*:*:*4.3.0 to before 5.2.7.3256VulnerableQNAP
  • cpe:2.3:o:qnap:qts:*:*:*:*:*:*:*:* Versions 4.3.0 to before 5.2.7.3256 Vulnerable ·QNAP

Remediation

  • Fix · CNA QTS (QNAP Systems Inc.) Fixed in 5.2.7.3256 build 20250913
  • Fix · CNA QuTS hero (QNAP Systems Inc.) Fixed in ?

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-66276
  2. 2026-10-03 Alias added: GHSA-67cg-rrvw-5r8m

References

Advisory 1

  • TI-2020-02221 Command Injection Vulnerability in QTS and QuTS hero KEVCVSS 3.1CRITICAL 9.8
  • TI-2019-05101 Improper input validation in QNAP NAS devices KEVCVSS 3.1CRITICAL 9.8
  • TI-2018-14137 Improper input validation in QNAP QTS KEVCVSS 3.1CRITICAL 9.8
  • TI-2014-05975 GNU Bash through 4.3 bash43-025 processes trailing strings after certain malformed… KEVCVSS 3.1CRITICAL 9.8
  • TI-2014-05157 GNU Bash through 4.3 processes trailing strings after function definitions in the values… KEVCVSS 3.1CRITICAL 9.8
  • TI-2018-14131 Cross-site scripting in QNAP QTS KEVCVSS 3.1HIGH 8.0
See all 282 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences