QNAP QTS 5.2.8.3332 Path Traversal Allowing Admin File Read
CVE-2025-59381 Published on January 2, 2026
QTS, QuTS hero
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
Weakness Type
What is a Directory traversal Vulnerability?
The software uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the software does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.
CVE-2025-59381 has been classified to as a Directory traversal vulnerability or weakness.
Products Associated with CVE-2025-59381
You can be notified by email with stack.watch whenever vulnerabilities like CVE-2025-59381 are published in these products:
Affected Versions
QNAP Systems Inc. QTS:- Version 5.2.0 and below 5.2.8.3332 build 20251128 is affected.
- Version h5.2.0 and below h5.2.8.3321 build 20251117 is affected.
- Version h5.3.0 and below h5.3.2.3354 build 20251225 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.