CVE-2025-20728

In wlan STA 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: WCNCR00447115; Issue ID: MSV-4276.

CVSS v3 7.8 HIGH

7.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

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

cpe:2.3:a:mediatek:software_development_kit:3.7:*:*:*:*:*:*:*

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 escritura fuera de límites debido a una comprobación de límites incorrecta. Esto podría llevar a una escalada local de privilegios con privilegios de ejecución de usuario necesarios. La interacción del usuario no es necesaria para la explotación. ID de parche: WCNCR00447115; ID de problema: MSV-4276.

Information

Published : 2025-11-04 07:15

Updated : 2026-10-18 21:10

NVD link : CVE-2025-20728

Mitre link : CVE-2025-20728

CVE.ORG link : CVE-2025-20728

JSON object : View

Products Affected

mediatek

mt7921
mt7922
mt7902
software_development_kit
mt7920
mt7927
mt7925

CWE

CWE-122

Heap-based Buffer Overflow

CWE-787

Out-of-bounds Write

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