CVE-2025-20748: Medium severity Microsoft Windows vulnerability

Published Nov 4, 2025
·
Updated

In wlan AP driver, there is a possible out of bounds write due to an incorrect bounds check. This could lead to local escalation of privilege if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitation. Patch ID: WCNCR00432679; Issue ID: MSV-3950.

Affected Software

12 affected components
Microsoft Windows
All of the following
Any of the following
MediaTek Software Development Kit<=7.6.7.2
OpenWrt OpenWrt=19.07.0
OpenWrt OpenWrt=21.02.0
Any of the following
MediaTek Mt6890
MediaTek MT7615
MediaTek MT7622
MediaTek Mt7663
MediaTek MT7915
MediaTek Mt7916
MediaTek Mt7981
MediaTek Mt7986

Event History

Nov 4, 2025
CVE Published
via MITRE·06:20 AM
Data Sourced
via MITRE·06:20 AM
DescriptionWeakness
Data Sourced
via NVD·07:15 AM
DescriptionSeverityWeaknessAffected Software
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Frequently Asked Questions

1

What is the severity of CVE-2025-20748?

CVE-2025-20748 is considered a high severity vulnerability due to its potential for local escalation of privilege.

2

How do I fix CVE-2025-20748?

The recommended fix for CVE-2025-20748 is to apply the patch identified as WCNCR00432679.

3

Can CVE-2025-20748 be exploited remotely?

CVE-2025-20748 cannot be exploited remotely as it requires local access and a System privilege.

4

What impact does CVE-2025-20748 have on system security?

CVE-2025-20748 allows a malicious actor with System privilege to perform unauthorized actions, potentially compromising system security.

5

Is user interaction required to exploit CVE-2025-20748?

No, user interaction is not needed for the exploitation of CVE-2025-20748.

Contact

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