CVE-2025-20711: High severity MediaTek Software Development Kit vulnerability

Published Oct 14, 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) escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: WCNCR00422399; Issue ID: MSV-3748.

Affected Software

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

Event History

Oct 14, 2025
CVE Published
via MITRE·09:11 AM
Data Sourced
via MITRE·09:11 AM
DescriptionWeakness
Data Sourced
via NVD·10:15 AM
DescriptionSeverityWeaknessAffected Software
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Frequently Asked Questions

1

What is the severity of CVE-2025-20711?

CVE-2025-20711 is classified as a critical vulnerability due to the potential for remote escalation of privilege.

2

How do I fix CVE-2025-20711?

To fix CVE-2025-20711, apply the patch identified as WCNCR00422399 provided by MediaTek.

3

Which products are affected by CVE-2025-20711?

CVE-2025-20711 affects the MediaTek Software Development Kit versions up to 7.6.7.2 and specific versions of OpenWrt.

4

Can CVE-2025-20711 be exploited remotely?

Yes, CVE-2025-20711 can be exploited remotely without requiring user interaction.

5

Is user interaction needed for CVE-2025-20711 exploitation?

No, CVE-2025-20711 does not require user interaction for exploitation.

Contact

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