CVE-2025-52586 (CVSS 6.9)

Description

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.

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CVSS v3.1 Score

6.9

MEDIUM

CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L

Weakness Type (CWE)

CWE-319 CWE-319

References

Other References

https://eg4electronics.com/contact/ https://eg4electronics.com/wp-content/uploads/2025/09/EG4-Wi-Fi-Dongle-Dongle-Firmware-Update.pdf https://www.cisa.gov/news-events/ics-advisories/icsa-25-219-07

Frequently Asked Questions

What is CVE-2025-52586? +

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. It has a CVSS v3.1 base score of 6.9 (MEDIUM).

How severe is CVE-2025-52586? +

CVE-2025-52586 has a CVSS v3.1 score of 6.9 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

How do I check if I'm vulnerable to CVE-2025-52586? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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