Medium [CVE-2025-59381] QTS: path traversal vulnerability has been reported to affect several QNAP operating system versions.
This medium-severity QNAP advisory covers CVE-2025-59381 affecting QTS 5.2.x, QuTS hero h5.2.x, QuTS hero h5.3.x.
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Summary
A path traversal vulnerability has been reported to affect several QNAP operating system versions. If a remote attacker gains an administrator account, they can then exploit the vulnerability to read the contents of unexpected files or system data.
We have already fixed the vulnerability in the following versions: QTS 5.2.8.3332 build 20251128 and later
QuTS hero h5.2.8.3321 build 20251117 and later QuTS hero h5.3.2.3354 build 20251225 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 1 month ago·verify at source
- QTS 5.2.8.3332 build 20251128 and later
- QuTS hero h5.2.8.3321 build 20251117 and later
- QuTS hero h5.3.1.3250 build 20250912 and later
- QTS 5.2.x
Official advisory · high-confidence parse· fetched 1 month ago·verify at source
Mitigation checklist
- Update the affected QNAP app / operating system to a fixed release: QTS 5.2.8.3332 build 20251128 and later, QuTS hero h5.2.8.3321 build 20251117 and later, QuTS hero h5.3.1.3250 build 20250912 and later, QTS 5.2.x.
Official advisory · high-confidence parse· fetched 1 month ago·verify at source
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