Description
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 version: QTS 5.2.5.3145 build 20250526 and later QuTS hero h5.2.5.3138 build 20250519 and later
Metrics
CVSS 3.1 4.9/10
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:NWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| QNAP Systems Inc. | QTS | >= 5.2.x, < 5.2.5.3145 build 20250526 |
| QNAP Systems Inc. | QuTS hero | >= h5.2.x, < QuTS hero h5.2.5.3138 build 20250519 |
References
- https://www.qnap.com/en/security-advisory/qsa-25-21Vendor Advisory
Timeline
- Published
- Aug 29, 2025
- Last modified
- Sep 26, 2026
- NVD status
- Analyzed