Critical [CVE-2025-59385] QTS: authentication bypass by spoofing vulnerability has been reported to affect several QNAP operating system versions.
This critical-severity QNAP advisory covers CVE-2025-59385 affecting QTS 5.2.x, QuTS hero h5.2.x, QuTS hero h5.3.x.
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Summary
An authentication bypass by spoofing vulnerability has been reported to affect several QNAP operating system versions. The remote attackers can then exploit the vulnerability to access resources which are not otherwise accessible without proper authentication.
We have already fixed the vulnerability in the following versions: QTS 5.2.7.3297 build 20251024 and later
QuTS hero h5.3.1.3292 build 20251024 and later
Affected products named by the advisory: QTS 5.2.x; QuTS hero h5.2.x; QuTS hero h5.3.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 15 days ago·verify at source
- QTS 5.2.7.3297 build 20251024 and later
- QuTS hero h5.2.7.3297 build 20251024 and later
- QuTS hero h5.3.1.3292 build 20251024 and later
- QTS 5.2.x
Official advisory · high-confidence parse· fetched 15 days ago·verify at source
Mitigation checklist
- Update the affected QNAP app / operating system to a fixed release: QTS 5.2.7.3297 build 20251024 and later, QuTS hero h5.2.7.3297 build 20251024 and later, QuTS hero h5.3.1.3292 build 20251024 and later, QTS 5.2.x.
Official advisory · high-confidence parse· fetched 15 days ago·verify at source
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