CVE-2021-30636: MediaTek Linkit Software Development Kit

Critical severity, CVSS 9.8. EPSS: 1.5% chance of exploitation in the next 30 days.

In MediaTek LinkIt SDK before 4.6.1, there is a possible memory corruption due to an integer overflow during mishandled memory allocation by pvPortCalloc and pvPortRealloc.

Affected products

• MediaTek Linkit Software Development Kit: before 4.6.1 (fixed in 4.6.1)

Published 2022-01-24. Last modified 2026-06-17.