CVE-2026-20491: MediaTek MT2735 Firmware

Medium severity, CVSS 5.5. EPSS: 0.1% chance of exploitation in the next 30 days.

In med, there is a possible out of bounds write due to an incorrect bounds check. This could lead to local denial of service with User execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS10981478 (Note: For MT6890, MT6990, MT6988) / AUTO00851173 (Note: For MT2735, MT2737); Issue ID: MSV-7652.

Affected products

• MediaTek MT2735 Firmware: affected versions not specified
• MediaTek MT2737 Firmware: affected versions not specified
• MediaTek MT6890 Firmware: affected versions not specified
• MediaTek MT6988 Firmware: affected versions not specified
• MediaTek MT6990 Firmware: affected versions not specified

Published 2026-08-03. Last modified 2026-08-19.