CVE-2020-20266
Mikrotik RouterOs before 6.47 (stable tree) suffers from a memory corruption vulnerability in the /nova/bin/dot1x process. An authenticated remote attacker can cause a Denial of Service (NULL pointer dereference).
Date published : 2021-05-19
https://github.com/cq674350529/pocs_slides/blob/master/pocs/MikroTik/vul_dot1x/README.md