CVE-2025-11243: Shelly Pro 4pm

High severity, CVSS 8.3. EPSS: 0.4% chance of exploitation in the next 30 days.

Allocation of Resources Without Limits or Throttling vulnerability in Shelly Pro 4PM (before v1.6) allows Excessive Allocation via network.

Affected products

• Shelly Pro 4pm: before 1.6 (fixed in 1.6)

Published 2025-11-19. Last modified 2026-06-17.