CVE-2025-53593: QTS, QuTS hero
A buffer overflow 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 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 h5.3.1.3250 build 20250912 and later
Affected Software
Remediation
Information
Event History
Frequently Asked Questions
What is the severity of CVE-2025-53593?
CVE-2025-53593 is a critical severity vulnerability due to its potential for remote exploitation and impact on system stability.
How do I fix CVE-2025-53593?
To fix CVE-2025-53593, update your QNAP QTS or QuTS hero to the latest version provided by QNAP.
What versions of QNAP software are affected by CVE-2025-53593?
CVE-2025-53593 affects QNAP QTS versions up to 5.2.7.3256 and QNAP QuTS hero versions up to 5.2.7.3256 and 5.3.1.3250.
Can CVE-2025-53593 be exploited remotely?
Yes, CVE-2025-53593 can be exploited remotely if an attacker gains administrator access.
What are the potential impacts of CVE-2025-53593?
Exploitation of CVE-2025-53593 can lead to memory modification or crashing of affected QNAP processes.