CVE-2026-20419_CVE-2026-20419

7.5 / 10

HIGH

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

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.

Basic Information

ID CVE-2026-20419

Source MediaTek

Published Feb 2, 2026 at 08:16

Modified Feb 2, 2026 at 13:45

Affected Product

Vendor MediaTek, Inc.

Product MT6890, MT6989TB, MT7902, MT7915, MT7916, MT7920, MT7921, MT7922, MT7925, MT7927, MT7981, MT7986, MT8196, MT8668, MT8676, MT8678, MT8775, MT8791T, MT8792, MT8793, MT8796, MT8873, MT8883, MT8893, MT8910

Version CE/NB SDK release 3.6 and before / SDK release 7.6.7.2 and before / OpenWrt 19.07, 21.02 (MT6890)

Affected Versions MediaTek, Inc. MT6890, MT6989TB, MT7902, MT7915, MT7916, MT7920, MT7921, MT7922, MT7925, MT7927, MT7981, MT7986, MT8196, MT8668, MT8676, MT8678, MT8775, MT8791T, MT8792, MT8793, MT8796, MT8873, MT8883, MT8893, MT8910 CE/NB SDK release 3.6 and before / SDK release 7.6.7.2 and before / OpenWrt 19.07, 21.02 (MT6890)

CWE Classification

CWE-754

References

corp.mediatek.com /product-security-bulletin/February-2026

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