CVE-2025-20740

In wlan STA driver, there is a possible out of bounds read due to a race condition. This could lead to local information disclosure with User execution privileges needed. User interaction is not needed for exploitation. Patch ID: WCNCR00435337; Issue ID: MSV-4036.

CVSS v3 4.7 MEDIUM

4.7^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.0 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity HIGH

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References

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

Configurations

Configuration 1 (hide)

AND

cpe:2.3:a:mediatek:software_development_kit:*:*:*:*:*:*:*:*

OR	cpe:2.3:h:mediatek:mt7902:-:::::::*
	cpe:2.3:h:mediatek:mt7920:-:::::::*
	cpe:2.3:h:mediatek:mt7921:-:::::::*
	cpe:2.3:h:mediatek:mt7922:-:::::::*
	cpe:2.3:h:mediatek:mt7925:-:::::::*
	cpe:2.3:h:mediatek:mt7927:-:::::::*

History

18 Oct 2026, 21:10

Type	Values Removed	Values Added
Summary		(es) En el controlador STA de WLAN, existe una posible lectura fuera de límites debido a una condición de carrera. Esto podría llevar a una revelación de información local con privilegios de ejecución de usuario necesarios. La interacción del usuario no es necesaria para la explotación. ID del parche: WCNCR00435337; ID del problema: MSV-4036.

Information

Published : 2025-11-04 07:15

Updated : 2026-10-18 21:10

NVD link : CVE-2025-20740

Mitre link : CVE-2025-20740

CVE.ORG link : CVE-2025-20740

JSON object : View

Products Affected

mediatek

mt7921
mt7922
mt7902
software_development_kit
mt7920
mt7927
mt7925

CWE

CWE-367

Time-of-check Time-of-use (TOCTOU) Race Condition

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