CVE-2020-15312
Zyxel CloudCNM SecuManager 3.1.0 and 3.1.1 has a hardcoded DSA SSH key for the root account.
Date published : 2020-06-29
https://pierrekim.github.io/blog/2020-03-09-zyxel-secumanager-0day-vulnerabilities.html
https://www.zyxel.com/support/vulnerabilities-of-CloudCNM-SecuManager.shtml