CVE-2025-20693: yocto Out-of-bounds Read — Fix

Description

In wlan STA driver, there is a possible out of bounds read due to an incorrect bounds check. This could lead to remote (proximal/adjacent) information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS09812521; Issue ID: MSV-3421.

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CVSS v3.1 Score

6.5

MEDIUM

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Weakness Type (CWE)

CWE-125 Out-of-bounds Read

Affected Products

Vendor	Product	Versions
linuxfoundation	yocto	All
mediatek	software_development_kit	< 3.7
google	android	All
google	android	All
google	android	All
openwrt	openwrt	All
openwrt	openwrt	All
mediatek	mt2737	All
mediatek	mt6835	All
mediatek	mt6878	All
mediatek	mt6886	All
mediatek	mt6897	All
mediatek	mt6899	All
mediatek	mt6985	All
mediatek	mt6989	All
mediatek	mt6990	All
mediatek	mt6991	All
mediatek	mt7902	All
mediatek	mt7920	All
mediatek	mt7921	All
mediatek	mt7922	All
mediatek	mt7923	All
mediatek	mt7925	All
mediatek	mt7927	All
mediatek	mt7932	All
mediatek	mt8196	All
mediatek	mt8678	All
mediatek	mt8796	All
mediatek	mt8893	All

References

Advisories & Patches

https://corp.mediatek.com/product-security-bulletin/July-2025

Frequently Asked Questions

What is CVE-2025-20693? +

In wlan STA driver, there is a possible out of bounds read due to an incorrect bounds check. This could lead to remote (proximal/adjacent) information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS09812521; Issue ID: MSV-3421. It has a CVSS v3.1 base score of 6.5 (MEDIUM).

How severe is CVE-2025-20693? +

CVE-2025-20693 has a CVSS v3.1 score of 6.5 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2025-20693? +

CVE-2025-20693 affects products from google, linuxfoundation, mediatek, openwrt, specifically: android, mt2737, mt6835, mt6878, mt6886, mt6897, mt6899, mt6985, mt6989, mt6990, mt6991, mt7902, mt7920, mt7921, mt7922, mt7923, mt7925, mt7927, mt7932, mt8196, mt8678, mt8796, mt8893, openwrt, software_development_kit, yocto. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-20693? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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