CVE-2020-29379: Vsolcn v1600d-Mini Firmware
Medium severity, CVSS 5.5. EPSS: 0.3% chance of exploitation in the next 30 days.
An issue was discovered on V-SOL V1600D4L V1.01.49 and V1600D-MINI V1.01.48 OLT devices. During the process of updating the firmware, the update script starts a telnetd -l /bin/sh process that does not require authentication for TELNET access.
Affected products
Published 2020-11-29. Last modified 2026-06-17.