Integer overflow in MT6813 - CVE-2026-20446

 

Integer overflow in MT6813 - CVE-2026-20446

Published: April 7, 2026


Vulnerability identifier: #VU125019
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2026-20446
CWE-ID: CWE-190
Exploitation vector: Local access
Exploit availability: No public exploit available
Vendor: MediaTek
Affected software:
MT6813

Detailed vulnerability description

The vulnerability allows a local user to cause memory corruption.

The vulnerability exists due to integer overflow in sec boot when handling input. A local user can send crafted input to cause memory corruption.


How to mitigate CVE-2026-20446

Install security update from vendor's website.

Sources