CVE-2026-20408

HIGH

8.8

Description

In wlan, there is a possible out of bounds write due to a heap buffer overflow. This could lead to remote (proximal/adjacent) escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: WCNCR00461651; Issue ID: MSV-4758.

CVE Details

CVSS v3.1 Score8.8

SeverityHIGH

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

Attack VectorADJACENT_NETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published2/2/2026

Last Modified2/4/2026

Sourcenvd

Honeypot Sightings0

Affected Products

mediatek:mt6890mediatek:mt7615mediatek:mt7915mediatek:mt7916mediatek:mt7981mediatek:mt7986mediatek:software_development_kitopenwrt:openwrt

Weaknesses (CWE)

CWE-122CWE-787

References

https://corp.mediatek.com/product-security-bulletin/February-2026(security@mediatek.com)

IOC Correlations

No correlations recorded

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