A Cross-site Request Forgery issue was discovered in JanTek JTC-200, all versions. An attacker could perform actions with the same permissions as a victim user, provided the victim has an active session and is induced to trigger the malicious request.

An Improper Authentication issue was discovered in JanTek JTC-200, all versions. The improper authentication could provide an undocumented BusyBox Linux shell accessible over the TELNET service without any authentication.