CVE-2026-20431: MediaTek MT6813 Firmware

Medium severity, CVSS 6.5. EPSS: 0.3% chance of exploitation in the next 30 days.

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.

Affected products

• MediaTek MT6813 Firmware: affected versions not specified
• MediaTek MT6815 Firmware: affected versions not specified
• MediaTek MT6835 Firmware: affected versions not specified
• MediaTek MT6878 Firmware: affected versions not specified
• MediaTek MT6897 Firmware: affected versions not specified
• MediaTek MT6899 Firmware: affected versions not specified
• MediaTek MT6986 Firmware: affected versions not specified
• MediaTek MT6991 Firmware: affected versions not specified
• MediaTek MT6993 Firmware: affected versions not specified
• MediaTek MT8668 Firmware: affected versions not specified
• MediaTek MT8676 Firmware: affected versions not specified
• MediaTek MT8678 Firmware: affected versions not specified
• MediaTek MT8755 Firmware: affected versions not specified
• MediaTek MT8775 Firmware: affected versions not specified
• MediaTek MT8792 Firmware: affected versions not specified
• MediaTek MT8793 Firmware: affected versions not specified
• MediaTek MT8863 Firmware: affected versions not specified
• MediaTek MT8873 Firmware: affected versions not specified
• MediaTek MT8883 Firmware: affected versions not specified

Published 2026-04-07. Last modified 2026-07-24.