We have already fixed the vulnerability in the following versions:
QTS 5.2.9.3410 build 20260214 and later
QuTS hero h5.2.9.3410 build 20260214 and later
QuTS hero h5.3.4.3500 build 20260520 and later
QuTS hero h6.0.0.3397 build 20260206 and later
No advisories yet.
Solution
We have already fixed the vulnerability in the following versions: QTS 5.2.9.3410 build 20260214 and later QuTS hero h5.2.9.3410 build 20260214 and later QuTS hero h5.3.4.3500 build 20260520 and later QuTS hero h6.0.0.3397 build 20260206 and later
Workaround
No workaround given by the vendor.
| Link | Providers |
|---|---|
| https://www.qnap.com/en/security-advisory/qsa-26-10 |
|
Wed, 10 Jun 2026 16:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
ssvc
|
Wed, 10 Jun 2026 07:45:00 +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, 10 Jun 2026 03:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | An integer overflow or wraparound 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 compromise the security of the system. We have already fixed the vulnerability in the following versions: QTS 5.2.9.3410 build 20260214 and later QuTS hero h5.2.9.3410 build 20260214 and later QuTS hero h5.3.4.3500 build 20260520 and later QuTS hero h6.0.0.3397 build 20260206 and later | |
| Title | QTS, QuTS hero | |
| Weaknesses | CWE-121 CWE-190 |
|
| References |
| |
| Metrics |
cvssV4_0
|
Projects
Sign in to view the affected projects.
Status: PUBLISHED
Assigner: qnap
Published:
Updated: 2026-06-10T15:52:04.680Z
Reserved: 2025-11-26T09:25:37.833Z
Link: CVE-2025-66280
Updated: 2026-06-10T15:51:59.966Z
Status : Received
Published: 2026-06-10T04:17:12.420
Modified: 2026-06-10T04:17:12.420
Link: CVE-2025-66280
No data.
OpenCVE Enrichment
Updated: 2026-06-10T07:30:24Z