CVE-2026-20528: MediaTek MT2735 Firmware

Medium severity, CVSS 6.7. EPSS: 0.1% chance of exploitation in the next 30 days.

In ccci, there is a possible out of bounds write and read due to a missing bounds check. This could lead to local information disclosure, memory corruption, crashes, or privilege escalation if a malicious actor has already obtained the System privilege. User interaction is needed for exploitation. Patch ID: ALPS11428950 (Note: For MT6880, MT6890) / ALPS10563453 (Note: For MT6980D, MT6990, MT6986, MT6986D, MT6813, MT6988) / AUTO00858766 (Note: For MT2735, MT2737); Issue ID: MSV-9893.

Affected products

• MediaTek MT2735 Firmware: affected versions not specified
• MediaTek MT2737 Firmware: affected versions not specified
• MediaTek MT6813 Firmware: affected versions not specified
• MediaTek MT6880 Firmware: affected versions not specified
• MediaTek MT6890 Firmware: affected versions not specified
• MediaTek MT6980D Firmware: affected versions not specified
• MediaTek MT6986 Firmware: affected versions not specified
• MediaTek MT6986D Firmware: affected versions not specified
• MediaTek MT6988 Firmware: affected versions not specified
• MediaTek MT6990 Firmware: affected versions not specified

Published 2026-10-05. Last modified 2026-10-09.