CVE-2025-20729

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: WCNCR00441512; Issue ID: MSV-4153.

CVSS v3 4.2 MEDIUM

4.2^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 0.8 / Impact : 3.4

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required HIGH

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact LOW

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

18 Oct 2026, 21:10

Type	Values Removed	Values Added
Summary		(es) En el controlador AP de WLAN, existe una posible escritura fuera de límites debido a una comprobación de límites incorrecta. Esto podría llevar a una escalada local de privilegios si un actor malintencionado ya ha obtenido los privilegios del Sistema. No se necesita interacción del usuario para la explotación. ID del parche: WCNCR00441512; ID del problema: MSV-4153.

Information

Published : 2025-11-04 07:15

Updated : 2026-10-18 21:10

NVD link : CVE-2025-20729

Mitre link : CVE-2025-20729

CVE.ORG link : CVE-2025-20729

JSON object : View

Products Affected

openwrt

openwrt

mediatek

mt7981
mt7986
mt7615
mt6890
software_development_kit
mt7915
mt7622
mt7663
mt7916

CWE

CWE-122

Heap-based Buffer Overflow

CWE-787

Out-of-bounds Write

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