A link following vulnerability has been reported to affect several QNAP operating system versions. The remote attackers can then exploit the vulnerability to traverse the file system to unintended locations.
We have already fixed the vulnerability in the following versions:
QTS 5.2.8.3350 build 20251216 and later
QuTS hero h5.3.2.3354 build 20251225 and later
QuTS hero h5.2.8.3350 build 20251216 and later
Metrics
Affected Vendors & Products
References
| Link | Providers |
|---|---|
| https://www.qnap.com/en/security-advisory/qsa-26-05 |
|
History
Wed, 11 Feb 2026 22:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Qnap Systems
Qnap Systems qts Qnap Systems quts Hero |
|
| Vendors & Products |
Qnap Systems
Qnap Systems qts Qnap Systems quts Hero |
Wed, 11 Feb 2026 17:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
ssvc
|
Wed, 11 Feb 2026 12:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | A link following vulnerability has been reported to affect several QNAP operating system versions. The remote attackers can then exploit the vulnerability to traverse the file system to unintended locations. We have already fixed the vulnerability in the following versions: QTS 5.2.8.3350 build 20251216 and later QuTS hero h5.3.2.3354 build 20251225 and later QuTS hero h5.2.8.3350 build 20251216 and later | |
| Title | QTS, QuTS hero | |
| Weaknesses | CWE-59 | |
| References |
| |
| Metrics |
cvssV4_0
|
Status: PUBLISHED
Assigner: qnap
Published:
Updated: 2026-02-11T16:49:06.520Z
Reserved: 2025-11-26T09:25:37.832Z
Link: CVE-2025-66277
Updated: 2026-02-11T16:49:03.424Z
Status : Awaiting Analysis
Published: 2026-02-11T13:15:58.380
Modified: 2026-02-11T15:27:26.370
Link: CVE-2025-66277
No data.