CVE-2016-5791: Jantek Jtc-200 Firmware

Critical severity, CVSS 9.8. EPSS: 2.4% chance of exploitation in the next 30 days.

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.

Affected products

• Jantek Jtc-200 Firmware: any version

Published 2017-10-13. Last modified 2026-06-17.