Black Box iCOMPEL 9.2.3 through 11.1.4, as used in ONELAN Net-Top-Box 9.2.3 through 11.1.4 and other products, has default credentials that allow remote attackers to access devices remotely via SSH, HTTP, HTTPS, and FTP.
https://experiencesofasysadmin.wordpress.com/2019/08/23/cve-2019-15497-default-credentials/