CVE-2026-20423: In wlan STA driver, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege with User execution…

PriorityP343high7.8CVSS 3.1

AVLACLPRLUINSUCHIHAH

EPSS

0.12%

2.3th percentile

In wlan STA driver, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege with User execution privileges needed. User interaction is not needed for exploitation. Patch ID: WCNCR00465314; Issue ID: MSV-4956.

Affected

7 ranges

Vendor	Product	Version range	Fixed in
mediatek	nbiot_sdk	<= 3.8	—
mediatek_inc	mediatek_chipset	—	—
mediatek_inc	mediatek_chipset	—	—
mediatek_inc	mediatek_chipset	—	—
mediatek_inc	mediatek_chipset	—	—
mediatek_inc	mediatek_chipset	—	—
mediatek_inc	mediatek_chipset	—	—

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