CVE-2025-30265: 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 5.2.5.3145 build 20250526 and later QuTS hero h5.2.5.3138 build 20250519 and later
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
QNAP QTSto a version that resolves this vulnerability.Fixed in 5.2.5.3145 - Upgrade
Upgrade
QNAP QuTS heroto a version that resolves this vulnerability.Fixed in h5.2.5.3138
Event History
Frequently Asked Questions
What is the severity of CVE-2025-30265?
CVE-2025-30265 is classified as a buffer overflow vulnerability that can lead to memory corruption or process crashes.
How do I fix CVE-2025-30265?
To fix CVE-2025-30265, update your QNAP QTS or QuTS hero to the latest version beyond 5.2.5.3145 or 5.2.5.3138 respectively.
What versions of QNAP software are affected by CVE-2025-30265?
CVE-2025-30265 affects QNAP QTS versions up to 5.2.5.3145 and QuTS hero versions up to 5.2.5.3138.
What happens if I am exploited by CVE-2025-30265?
If exploited, a remote attacker with a user account can modify memory or crash processes on the affected QNAP systems.
How can I protect my QNAP device from CVE-2025-30265?
To protect your device from CVE-2025-30265, ensure you regularly update your system and monitor for any unauthorized access.