CVE-2025-20736

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: WCNCR00435347; Issue ID: MSV-4049.

CVSS v3 6.7 MEDIUM

6.7^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 0.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required HIGH

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://corp.mediatek.com/product-security-bulletin/November-2025	Vendor Advisory

Configurations

Configuration 1 (hide)

AND

OR	cpe:2.3:a:mediatek:software_development_kit::::::::
	cpe:2.3:o:openwrt:openwrt:19.07.0:-::::::
	cpe:2.3:o:openwrt:openwrt:21.02.0:-::::::

OR	cpe:2.3:h:mediatek:mt6890:-:::::::*
	cpe:2.3:h:mediatek:mt7615:-:::::::*
	cpe:2.3:h:mediatek:mt7622:-:::::::*
	cpe:2.3:h:mediatek:mt7663:-:::::::*
	cpe:2.3:h:mediatek:mt7915:-:::::::*
	cpe:2.3:h:mediatek:mt7916:-:::::::*
	cpe:2.3:h:mediatek:mt7981:-:::::::*
	cpe:2.3:h:mediatek:mt7986:-:::::::*

History

05 Nov 2025, 17:13

Type	Values Removed	Values Added
New CVE

Information

Published : 2025-11-04 07:15

Updated : 2025-11-05 17:13

NVD link : CVE-2025-20736

Mitre link : CVE-2025-20736

CVE.ORG link : CVE-2025-20736

JSON object : View

Products Affected

mediatek

mt6890
mt7916
mt7663
mt7986
mt7615
mt7981
mt7915
mt7622
software_development_kit

openwrt

openwrt

CWE

CWE-121

Stack-based Buffer Overflow

CWE-787

Out-of-bounds Write

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