CVE-2026-20419

MediumCVSS 6.5/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 6.5/10CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-754

Affected software

Vendor	Product	Versions
MediaTek, Inc.	MediaTek chipset	MT6890; MT6989TB; MT7902; MT7915; MT7916; MT7920; MT7921; MT7922; MT7925; MT7927; MT7981; MT7986; MT8196; MT8668; MT8676; MT8678; MT8775; MT8791T; MT8792; MT8793

References

https://corp.mediatek.com/product-security-bulletin/February-2026Vendor Advisory

Timeline

Published: Feb 2, 2026
Last modified: Jun 17, 2026
NVD status: Modified

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