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CVE-2025-62848

7.5 · HIGH

A NULL pointer dereference vulnerability has been reported to affect several QNAP operating system versions.

Published Dec 16, 2025CWE-476EPSS 0.86%

Overview

CVE-2025-62848 is a high-severity vulnerability. It was published on December 16, 2025 and has a CVSS 3.1 base score of 7.5 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

A NULL pointer dereference vulnerability has been reported to affect several QNAP operating system versions. The remote attackers can then exploit the vulnerability to launch a denial-of-service (DoS) attack.

We have already fixed the vulnerability in the following versions:

QTS 5.2.7.3297 build 20251024 and later

QuTS hero h5.2.7.3297 build 20251024 and later

QuTS hero h5.3.1.3292 build 20251024 and later

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. 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.

References

Refwww.qnap.com/en/security-advisory/qsa-25-45

How CyberStrike helps

Frequently asked questions

What is CVE-2025-62848?

CVE-2025-62848 is a high-severity vulnerability. It was published on December 16, 2025 and has a CVSS 3.1 base score of 7.5 (HIGH).

How severe is CVE-2025-62848?

This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2025-62848?

Check the references section for vendor advisories, patches, and mitigation guidance. 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-2025-62848?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2025-62848 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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