CVE-2025-20681: Critical 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 local escalation of privilege with User execution privileges needed. User interaction is not needed for exploitation. Patch ID: WCNCR00416936; Issue ID: MSV-3446.
Affected Software
8 affected components
All of the following
Any of the following
MediaTek Software Development Kit<=5.1.0.0
OpenWrt OpenWrt=19.07.0
OpenWrt OpenWrt=21.02.0
Any of the following
MediaTek Mt6890
MediaTek MT7615
MediaTek MT7622
MediaTek Mt7663
MediaTek MT7915
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-2025-20681?
CVE-2025-20681 is classified as a local escalation of privilege vulnerability.
2
How do I fix CVE-2025-20681?
To fix CVE-2025-20681, apply the patch identified by Patch ID WCNCR00416936.
3
What software is affected by CVE-2025-20681?
CVE-2025-20681 affects the MediaTek Software Development Kit versions up to 5.1.0.0 and specific versions of OpenWrt.
4
Is user interaction required to exploit CVE-2025-20681?
No, user interaction is not needed for the exploitation of CVE-2025-20681.
5
What type of attack can CVE-2025-20681 enable?
CVE-2025-20681 can enable an attacker to perform local escalation of privilege.