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Critical9.2QNAP

Critical [CVE-2025-66276] QuTS hero: QuTS hero is not affected.

This critical-severity QNAP advisory covers CVE-2025-66276 affecting QTS 4.3.x.

QSA-25-56 Published Jun 10, 2026Updated by vendor Jul 23, 2026
Affected products & platforms
QNAPQTS
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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

Affected product named by the advisory: QTS 4.3.x.

Affected versions

No affected-version range was extracted from the source record. The vendor advisory is authoritative — check it before change work.

Official advisory · high-confidence parse· fetched 1 month ago·verify at source

Fixed versions
  • QTS 5.2.7.3256 build 20250913

Official advisory · high-confidence parse· fetched 1 month ago·verify at source

Mitigation checklist

Recommended fix / mitigation
  • Update the affected QNAP app / operating system to a fixed release: QTS 5.2.x and later, QTS 4.3.x.

Official advisory · high-confidence parse· fetched 1 month ago·verify at source

Discussion(0)

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