CVE-2020-29382: Vsolcn v1600d Firmware

High severity, CVSS 7.8. EPSS: 0.3% chance of exploitation in the next 30 days.

An issue was discovered on V-SOL V1600D V2.03.69 and V2.03.57, V1600G1 V2.0.7 and V1.9.7, and V1600G2 V1.1.4 OLT devices. A hardcoded RSA private key (specific to V1600D, V1600G1, and V1600G2) is contained in the firmware images.

Affected products

  • Vsolcn v1600d Firmware: version 2.03.57 only; version 2.03.69 only
  • Vsolcn v1600g1 Firmware: version 1.9.7 only; version 2.0.7 only
  • Vsolcn v1600g2 Firmware: version 1.1.4 only

Published 2020-11-29. Last modified 2026-06-17.