Mikrotik RouterOs before 6.47 (stable tree) suffers from a memory corruption vulnerability in the /nova/bin/resolver process. An authenticated remote attacker can cause a Denial of Service due to invalid memory access.
Source: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-20267
Reference (s):
- http://seclists.org/fulldisclosure/2021/May/12