CVE-2024-21876: Enphase Iq Gateway Firmware

Critical severity, CVSS 9.1. EPSS: 0.8% chance of exploitation in the next 30 days.

Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability via a URL parameter in Enphase IQ Gateway (formerly known as Envoy) allows an unautheticated attacker to access or create arbitratry files.This issue affects Envoy: from 4.x to 8.x and < 8.2.4225.

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.