CVE-2025-20685: High severity MediaTek Software Development Kit vulnerability

Published Jul 8, 2025
·
Updated

In wlan AP driver, there is a possible out of bounds write due to an incorrect bounds check. This could lead to remote (proximal/adjacent) code execution with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: WCNCR00416226; Issue ID: MSV-3409.

Affected Software

9 affected components
All of the following
Any of the following
MediaTek Software Development Kit<=7.6.7.2
OpenWrt OpenWrt=19.07.0
Any of the following
MediaTek Mt6890
MediaTek MT7915
MediaTek Mt7916
MediaTek Mt7981
MediaTek Mt7986
All of the following
OpenWrt OpenWrt=21.02.0
MediaTek Mt6890

Event History

Jul 8, 2025
CVE Published
via MITRE·02:00 AM
Data Sourced
via MITRE·02:00 AM
DescriptionWeakness
Data Sourced
via NVD·03:15 AM
DescriptionSeverityWeaknessAffected Software

Frequently Asked Questions

1

What is the severity of CVE-2025-20685?

CVE-2025-20685 is a high-severity vulnerability that can lead to remote code execution without additional privileges.

2

How do I fix CVE-2025-20685?

To fix CVE-2025-20685, apply the available patch with ID WCNCR00416226 as soon as possible.

3

Which software is affected by CVE-2025-20685?

CVE-2025-20685 affects MediaTek Software Development Kit versions up to 7.6.7.2 and OpenWrt version 19.07.0 and 21.02.0.

4

Can CVE-2025-20685 be exploited without user interaction?

Yes, CVE-2025-20685 can be exploited remotely without requiring user interaction.

5

What is the nature of the vulnerability in CVE-2025-20685?

CVE-2025-20685 is an out of bounds write caused by an incorrect bounds check in the wlan AP driver.

Contact

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