CVE-2020-20214: MikroTik RouterOS

Medium severity, CVSS 6.5. EPSS: 3.1% chance of exploitation in the next 30 days.

Mikrotik RouterOs 6.44.6 (long-term tree) suffers from an assertion failure vulnerability in the btest process. An authenticated remote attacker can cause a Denial of Service due to an assertion failure via a crafted packet.

Affected products

• MikroTik RouterOS: version 6.44.6 only

Published 2021-05-18. Last modified 2026-06-17.