CVE-2025-52431: QTS, QuTS hero
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 versions: QTS 5.2.7.3256 build 20250913 and later QuTS hero h5.2.7.3256 build 20250913 and later QuTS hero h5.3.1.3250 build 20250912 and later
Affected Software
Remediation
Information
Event History
Frequently Asked Questions
What is the severity of CVE-2025-52431?
CVE-2025-52431 is a critical vulnerability that allows for denial-of-service (DoS) attacks if exploited by an attacker with administrator access.
How do I fix CVE-2025-52431?
To fix CVE-2025-52431, update affected QNAP operating systems to the latest patched versions available from the vendor.
Which software versions are affected by CVE-2025-52431?
CVE-2025-52431 affects QNAP QTS versions up to 5.2.7.3256 and QuTS hero versions up to 5.2.7.3256 and 5.3.1.3250.
What can an attacker do if they exploit CVE-2025-52431?
If successfully exploited, an attacker can launch a denial-of-service (DoS) attack, disrupting service availability.
Is there a workaround for CVE-2025-52431 until I can apply the fix?
There are no specific workarounds mentioned for CVE-2025-52431, so immediate updates are recommended.