CVE-2024-21878: Enphase Iq Gateway Firmware

Critical severity, CVSS 9.8. EPSS: 1.4% chance of exploitation in the next 30 days.

Improper Neutralization of Special Elements used in a Command ('Command Injection') vulnerability in Enphase IQ Gateway (formerly known as Envoy) allows OS Command Injection. This vulnerability is present in an internal script.This issue affects Envoy: from 4.x up to and including 8.x and is currently unpatched.

Affected products

• Enphase Iq Gateway Firmware: from 4.0, before 8.2.4225 (fixed in 8.2.4225)

Published 2024-08-12. Last modified 2026-06-17.