CVE-2026-20407
Unknown Unknown - Not Provided
BaseFortify

Publication date: 2026-02-02

Last updated on: 2026-02-04

Assigner: MediaTek, Inc.

Description
In wlan STA driver, there is a possible escalation of privilege due to a missing bounds check. This could lead to local escalation of privilege with User execution privileges needed. User interaction is not needed for exploitation. Patch ID: WCNCR00464377; Issue ID: MSV-4905.
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Meta Information
Published
2026-02-02
Last Modified
2026-02-04
Generated
2026-06-16
AI Q&A
2026-02-02
EPSS Evaluated
2026-06-15
NVD
CVE-2026-20407
EUVD
EUVD-2026-5141
Affected Vendors & Products
Showing 7 associated CPEs
Vendor Product Version / Range
mediatek nbiot_sdk to 3.8 (inc)
mediatek mt7902 *
mediatek mt7920 *
mediatek mt7921 *
mediatek mt7922 *
mediatek mt7925 *
mediatek mt7927 *
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-787 The product writes data past the end, or before the beginning, of the intended buffer.
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Executive Summary

This vulnerability exists in the wlan STA driver where a missing bounds check can lead to a local escalation of privilege. It means that an attacker with user-level execution privileges can exploit this flaw to gain higher privileges on the system without needing any user interaction.

Impact Analysis

The vulnerability can allow an attacker who already has user-level access to escalate their privileges locally, potentially gaining unauthorized control over the system or sensitive functions, which can lead to further compromise of the device or data.

Mitigation Strategies

Apply the patch identified as WCNCR00464377 provided by the vendor to fix the missing bounds check in the wlan STA driver, which addresses the local escalation of privilege issue.

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