CVE-2013-20003: Silabs ZGM130S037HGN Firmware

High severity, CVSS 8.3. EPSS: 0.6% chance of exploitation in the next 30 days.

Z-Wave devices from Sierra Designs (circa 2013) and Silicon Labs (using S0 security) may use a known, shared network key of all zeros, allowing an attacker within radio range to spoof Z-Wave traffic.

Affected products

• Silabs ZGM130S037HGN Firmware: version s2 only
• Silabs ZGM2305A27HGN Firmware: version s2 only
• Silabs ZGM230SB27HGN Firmware: version s2 only
• Silabs ZM5101 Firmware: version s2 only
• Silabs ZM5202 Firmware: version s2 only

Published 2022-02-04. Last modified 2026-06-16.