CVE-2025-36752: Growatt Shine Lan-X Firmware

Critical severity, CVSS 9.8. EPSS: 0.3% chance of exploitation in the next 30 days.

Growatt ShineLan-X communication dongle has an undocumented backup account with undocumented credentials which allows significant level access to the device, such as allowing any attacker to access the Setting Center. This means that this is effectively backdoor for all devices utilizing a Growatt ShineLan-X communication dongle.

Affected products

• Growatt Shine Lan-X Firmware: from 3.6.0.0, before 3.6.0.2 (fixed in 3.6.0.2)

Published 2025-12-13. Last modified 2026-10-07.