CVE-2026-20431

MEDIUM

Mediatek, Inc. MediaTek Chipset < MT6813 - Denial of Service

Title source: rule

Description

In Modem, there is a possible system crash due to a logic error. This could lead to remote denial of service, if a UE has connected to a rogue base station controlled by the attacker, with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: MOLY01106496; Issue ID: MSV-4467.

References (1)

https://corp.mediatek.com/product-security-bulletin/April-2026

Scores

CVSS v3 6.5

EPSS 0.0002

EPSS Percentile 6.4%

Attack Vector ADJACENT_NETWORK

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

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-770

Status published

Products (38)

mediatek/mt6813_firmware

mediatek/mt6815_firmware

mediatek/mt6835_firmware

mediatek/mt6878_firmware

mediatek/mt6897_firmware

mediatek/mt6899_firmware

mediatek/mt6986_firmware

mediatek/mt6991_firmware

mediatek/mt6993_firmware

mediatek/mt8668_firmware

... and 28 more

Published Apr 07, 2026

Tracked Since Apr 07, 2026