Integer overflow in MT6813 - CVE-2026-20446
Published: April 7, 2026
Vulnerability identifier: #VU125019
CSH Severity: Low
CVSS v4: 8.5 [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]
CVE-ID: CVE-2026-20446
CWE-ID: CWE-190
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
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.
Affected software
MT6813
How to mitigate CVE-2026-20446
Install security update from vendor's website.