CVE-2025-52586: EG4 Electronics EG4 12000xp

Medium severity, CVSS 6.9. EPSS: 0.1% chance of exploitation in the next 30 days.

The MOD3 command traffic between the monitoring application and the inverter is transmitted in plaintext without encryption or obfuscation. This vulnerability may allow an attacker with access to a local network to intercept, manipulate, replay, or forge critical data, including read/write operations for voltage, current, and power configuration, operational status, alarms, telemetry, system reset, or inverter control commands, potentially disrupting power generation or reconfiguring inverter settings.

Affected products

• EG4 Electronics EG4 12000xp: any version
• EG4 Electronics EG4 12kpv: any version
• EG4 Electronics EG4 18kpv: any version
• EG4 Electronics EG4 6000xp: any version
• EG4 Electronics EG4 Flex 18: any version
• EG4 Electronics EG4 Flex 21: any version
• EG4 Electronics EG4 Gridboss: any version

Published 2025-08-08. Last modified 2026-06-17.