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CVE-2025-39919

8.8 · HIGH

In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: mt7996: add missing check for rx wcid entries Non-station wcid entries must not be passed to the rx functions.

Published Oct 1, 2025EPSS 0.18%

Overview

CVE-2025-39919 is a high-severity vulnerability. It was published on October 1, 2025 and has a CVSS 3.1 base score of 8.8 (HIGH).

This vulnerability has a CVSS 3.1 base score of 8.8, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

Technical description

In the Linux kernel, the following vulnerability has been resolved:

wifi: mt76: mt7996: add missing check for rx wcid entries

Non-station wcid entries must not be passed to the rx functions.

In case of the global wcid entry, it could even lead to corruption in the wcid

array due to pointer being casted to struct mt7996_sta_link using container_of.

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

Refgit.kernel.org/stable/c/4a522b01e368eec58d182ecc47d24f49a39e440dRefgit.kernel.org/stable/c/69dcc19048fcdc3fb166fd25b805470ee8fc0eb1

How CyberStrike helps

Frequently asked questions

What is CVE-2025-39919?

CVE-2025-39919 is a high-severity vulnerability. It was published on October 1, 2025 and has a CVSS 3.1 base score of 8.8 (HIGH).

How severe is CVE-2025-39919?

This vulnerability has a CVSS 3.1 base score of 8.8, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2025-39919?

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-2025-39919?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2025-39919 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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