Path Traversal in QNAP Qts
CVE-2025-33032
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
Vulnerability class: Path Traversal (Directory Traversal)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.9 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.005 (40.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 41st percentile — 40.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000
Affected products
- QNAP Qts — versions 5.2.0.2737, 5.2.0.2744, 5.2.0.2782
- QNAP Quts Hero — versions h5.2.0.2737, h5.2.0.2782, h5.2.0.2789
- QNAP Systems Inc. Qts — versions 5.2.x
- QNAP Systems Inc. Quts Hero — versions h5.2.x
Weakness classification (CWE)
References
- www.qnap.com/en/security-advisory/qsa-25-21 (Vendor Advisory)
Frequently asked questions
- What is CVE-2025-33032?
- CVE-2025-33032 is a medium-severity vulnerability in QNAP Qts, classified under Path Traversal. CVSS score: 4.9/10. Published 2025-08-29.
- How severe is CVE-2025-33032?
- Medium severity. CVSS v3 base score is 4.9 out of 10.