CVE-2026-20493

Published Aug 3, 2026

Last updated 18 hours ago

Overview

Description
In wifi, there is a possible out of bounds write due to a missing bounds check. This could lead to local denial of service if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitation. Patch ID: BORA00154903; Issue ID: MSV-7575.
Source
security@mediatek.com
NVD status
Analyzed
Products
mt6890_firmware, mt6988_firmware, mt6990_firmware

Risk scores

CVSS 3.1

Type
Secondary
Base score
4.4
Impact score
3.6
Exploitability score
0.8
Vector string
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
Severity
MEDIUM

Weaknesses

security@mediatek.com
CWE-787

Social media

Hype score
Not currently trending

Configurations

References

Sources include official advisories and independent security research.