CVE-2025-30257: Growatt Cloud Portal

Medium severity, CVSS 5.3. EPSS: 0.3% chance of exploitation in the next 30 days.

Unauthenticated attackers can retrieve serial number of smart meters associated to a specific user account.

Affected products

• Growatt Cloud Portal: up to and including 3.6.0

Published 2025-04-15. Last modified 2026-06-17.