CVE-2026-20419

MEDIUM

6.5

Description

In wlan AP/STA firmware, there is a possible system becoming irresponsive due to an uncaught exception. This could lead to remote (proximal/adjacent) denial of service with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: WCNCR00461663 / WCNCR00463309; Issue ID: MSV-4852.

CVE Details

CVSS v3.1 Score6.5

SeverityMEDIUM

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

Attack VectorADJACENT_NETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published2/2/2026

Last Modified2/5/2026

Sourcenvd

Honeypot Sightings0

Affected Products

mediatek:mt6890mediatek:mt6989tbmediatek:mt7902mediatek:mt7915mediatek:mt7916mediatek:mt7920mediatek:mt7921mediatek:mt7922mediatek:mt7925mediatek:mt7927mediatek:mt7981mediatek:mt7986mediatek:mt8196mediatek:mt8668mediatek:mt8676mediatek:mt8678mediatek:mt8775mediatek:mt8791tmediatek:mt8792mediatek:mt8793mediatek:mt8796mediatek:mt8873mediatek:mt8883mediatek:mt8893mediatek:mt8910mediatek:nbiot_sdkmediatek:software_development_kitopenwrt:openwrt

Weaknesses (CWE)

CWE-754

References

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

IOC Correlations

No correlations recorded

This product uses data from the NVD API but is not endorsed or certified by the NVD.