CVE-2020-20213: MikroTik RouterOS

Medium severity, CVSS 6.5. EPSS: 2.1% chance of exploitation in the next 30 days.

Mikrotik RouterOs 6.44.5 (long-term tree) suffers from an stack exhaustion vulnerability in the /nova/bin/net process. An authenticated remote attacker can cause a Denial of Service due to overloading the systems CPU.

Affected products

• MikroTik RouterOS: version 6.44.5 only

Published 2021-07-07. Last modified 2026-06-17.