CVE-2026-20407

CRITICAL

Wlan STA driver - Privilege Escalation

Title source: llm
STIX 2.1

Description

In wlan STA driver, there is a possible escalation of privilege 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: WCNCR00464377; Issue ID: MSV-4905.

References (1)

Core 1

Scores

CVSS v3 9.3
EPSS 0.0001
EPSS Percentile 0.8%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-787
Status published
Products (13)
mediatek/nbiot_sdk < 3.8
MediaTek, Inc./MediaTek chipset MT7902
MediaTek, Inc./MediaTek chipset MT7920
MediaTek, Inc./MediaTek chipset MT7921
MediaTek, Inc./MediaTek chipset MT7922
MediaTek, Inc./MediaTek chipset MT7925
MediaTek, Inc./MediaTek chipset MT7927
MediaTek, Inc./MT7902 WCNCR00464377
MediaTek, Inc./MT7920 WCNCR00464377
MediaTek, Inc./MT7921 WCNCR00464377
... and 3 more
Published Feb 02, 2026
Tracked Since Feb 18, 2026