CVE-2022-26439

MEDIUM

wifi driver - Privilege Escalation

Title source: llm

Description

In wifi driver, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: GN20220420020; Issue ID: GN20220420020.

References (1)

[Vendor Advisory] https://corp.mediatek.com/product-security-bulletin/August-2022

Scores

CVSS v3 6.7

EPSS 0.0006

EPSS Percentile 17.7%

Attack Vector LOCAL

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Classification

CWE

CWE-787

Status published

Affected Products (13)

mediatek/mt7603_firmware

mediatek/mt7610_firmware

mediatek/mt7612_firmware

mediatek/mt7613_firmware

mediatek/mt7615_firmware

mediatek/mt7620_firmware

mediatek/mt7622_firmware

mediatek/mt7628_firmware

mediatek/mt7629_firmware

mediatek/mt7915_firmware

mediatek/mt7916_firmware

mediatek/mt7986_firmware

mediatek/mt8981_firmware

Timeline

Published Aug 01, 2022

Tracked Since Feb 18, 2026