CVE-2025-52864
8.1 · HIGHOverview
CVE-2025-52864 is a high-severity vulnerability affecting qnap quts_hero. It was published on January 2, 2026 and has a CVSS 3.1 base score of 8.1 (HIGH).
This vulnerability has a CVSS 3.1 base score of 8.1, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
Technical Description
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
Remediation
Check the references section for vendor advisories and patches from qnap. Update quts_hero to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
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Frequently Asked Questions
What is CVE-2025-52864?
CVE-2025-52864 is a high-severity vulnerability affecting qnap quts_hero. It was published on January 2, 2026 and has a CVSS 3.1 base score of 8.1 (HIGH).
How severe is CVE-2025-52864?
This vulnerability has a CVSS 3.1 base score of 8.1, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2025-52864?
Check the references section for vendor advisories and patches from qnap. Update quts_hero to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2025-52864?
CyberStrike's AI-powered security agents can automatically detect CVE-2025-52864 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
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