Unrated severityNVD Advisory· Published Feb 11, 2026· Updated Feb 27, 2026
QuTS hero
CVE-2025-59386
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
AI Insight
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Affected products
2- QNAP Systems Inc./QuTS herov5Range: h5.3.x
Patches
Vulnerability mechanics
References
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