CVE-2020-25755: Enphase Envoy Firmware

High severity, CVSS 8.8. EPSS: 3.1% chance of exploitation in the next 30 days.

An issue was discovered on Enphase Envoy R3.x and D4.x (and other current) devices. The upgrade_start function in /installer/upgrade_start allows remote authenticated users to execute arbitrary commands via the force parameter.

Affected products

• Enphase Envoy Firmware: version d4.0 only; version r3.0 only

Published 2021-06-16. Last modified 2026-06-17.