CVE-2020-27555: Basetech Ge-131 Bt-1837836 Firmware

Critical severity, CVSS 9.8. EPSS: 2.5% chance of exploitation in the next 30 days.

Use of default credentials for the telnet server in BASETech GE-131 BT-1837836 firmware 20180921 allows remote attackers to execute arbitrary system commands as the root user.

Affected products

• Basetech Ge-131 Bt-1837836 Firmware: version 20180921 only

Published 2020-11-17. Last modified 2026-06-17.