CVE-2025-59386
Medium
Description
A NULL pointer dereference 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 launch a denial-of-service (DoS) attack. We have already fixed the vulnerability in the following version: QuTS hero h5.3.2.3354 build 20251225 and later
SeverityMedium
CVSS4.9
Exploit probability—
Product
Qnap Quts Hero
PublishedFeb 11, 2026
First seenFeb 11, 2026
Weakness typeCWE-476NULL pointer dereference
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| qnap quts_hero | h5.3.0.3115, h5.3.0.3145, h5.3.0.3192, h5.3.1.3250, h5.3.1.3292 | — |
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