Security ID : QSA-26-06
Vulnerabilities in Samba
Release date : February 12, 2026
CVE identifier : CVE-2025-10230 | CVE-2025-9640
Affected products: QTS 5.2.x; QuTS hero h5.2.x, h5.3.x
Severity
Moderate
Status
Resolved
Summary
Multiple vulnerabilities have been reported in Samba, affecting certain QNAP operating system versions.
We have already fixed the vulnerabilities in the following versions:
| Affected Product | Fixed Version |
| QTS 5.2.x | QTS 5.2.8.3332 build 20251128 and later |
| QuTS hero h5.2.x | QuTS hero h5.2.8.3321 build 20251117 and later |
| QuTS hero h5.3.x | QuTS hero h5.3.2.3354 build 20251225 and later |
Recommendation
To secure your device, we recommend regularly updating your system to the latest version to benefit from vulnerability fixes. You can check the product support status to see the latest updates available to your NAS model.
Updating QTS or QuTS hero
- Log in to QTS or QuTS hero as an administrator.
- Go to Control Panel > System > Firmware Update.
- Under Live Update, click Check for Update.
The system downloads and installs the latest available update.
Tip: You can also download the update from the QNAP website. Go to Support > Download Center and then perform a manual update for your specific device.
Revision History:
V1.0 (February 12, 2026) - Published
