A use of externally-controlled format string 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 obtain secret data or modify memory.
We have already fixed the vulnerability in the following versions: QTS 5.2.6.3195 build 20250715 and later QuTS hero h5.2.6.3195 build 20250715 and later
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Qnap Qts | — | Upgrade QNAP QTS to the latest version | Oct 6, 2025 | Oct 4, 2025 |
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