Mikrotik RouterOs 6.44.6 (long-term tree) suffers from a memory corruption vulnerability in the /nova/bin/igmp-proxy process. An authenticated remote attacker can cause a Denial of Service (NULL pointer dereference).
Source: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-20219
Reference (s):
- https://mikrotik.com/
- https://seclists.org/fulldisclosure/2021/May/2