CVE-2025-66276
Critical
Description
QuTS hero is not affected. We have already fixed the vulnerability in the following version: QTS 5.2.7.3256 build 20250913 and later
SeverityCritical
CVSS9.8
Exploit probability—
Product
Qnap Qts
PublishedJun 10, 2026
First seenJun 10, 2026
How to fix
Update
- qnap qts5.2.7.3256 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| qnap qts | 4.3.0 ≤ v < 5.2.7.3256 | 5.2.7.3256 |
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