CVE-2025-52863: QTS, QuTS hero
A buffer overflow vulnerability has been reported to affect several QNAP operating system versions. If a remote attacker gains a user account, they can then exploit the vulnerability to modify memory or crash processes.
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 h5.3.0.3192 build 20250716 and later
Affected Software
Remediation
Information
Event History
Frequently Asked Questions
What is the severity of CVE-2025-52863?
CVE-2025-52863 is categorized as a buffer overflow vulnerability that can potentially lead to serious security issues.
How do I fix CVE-2025-52863?
To fix CVE-2025-52863, update your QNAP QTS or QuTS hero operating system to the latest version beyond 5.2.7.3256.
What products are affected by CVE-2025-52863?
CVE-2025-52863 affects several versions of QNAP QTS and QuTS hero operating systems.
Can CVE-2025-52863 be exploited remotely?
Yes, if an attacker gains a user account, they can exploit CVE-2025-52863 remotely to potentially modify memory or crash processes.
Is there a patch available for CVE-2025-52863?
Yes, QNAP has released a patch in the latest versions to address CVE-2025-52863, which you should apply promptly.