CVE-2020-14140: Mi Xiaomi Router Firmware

High severity, CVSS 7.5. EPSS: 1% chance of exploitation in the next 30 days.

When Xiaomi router firmware is updated in 2020, there is an unauthenticated API that can reveal WIFI password vulnerability. This vulnerability is caused by the lack of access control policies on some API interfaces. Attackers can exploit this vulnerability to enter the background and execute background command injection.

Affected products

• Mi Xiaomi Router Firmware: from 2020, before 2023.2 (fixed in 2023.2)

Published 2023-03-29. Last modified 2026-06-17.