Vulnerability · Published Jan 2, 2026 · Assigned by qnap
CVE-2025-59381QTS, QuTS hero
Medium 6.9
In plain English
A medium-severity path traversal in QTS from QNAP Systems Inc.. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 40% of all known vulnerabilities).
Official 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 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 (as reported)
| Vendor | Product | Versions |
|---|---|---|
| QNAP Systems Inc. | QTS | 5.2.0 – before 5.2.8.3332 build 20251128 |
| QNAP Systems Inc. | QuTS hero | h5.2.0 – before h5.2.8.3321 build 20251117h5.3.0 – before h5.3.2.3354 build 20251225 |
Weakness: CWE-22 · Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N