CVE-2020-20247: MikroTik RouterOS

Medium severity, CVSS 6.5. EPSS: 1.1% chance of exploitation in the next 30 days.

Mikrotik RouterOs before 6.46.5 (stable tree) suffers from a memory corruption vulnerability in the /nova/bin/traceroute process. An authenticated remote attacker can cause a Denial of Service due via the loop counter variable.

Affected products

• MikroTik RouterOS: before 6.46.5 (fixed in 6.46.5)

Published 2021-05-03. Last modified 2026-06-17.