CVE-2023-6640: Silabs Z-Wave Pc-Based Controller

Medium severity, CVSS 6.5. EPSS: 0.3% chance of exploitation in the next 30 days.

Malformed S2 Nonce Get Command Class packets can be sent to crash PC Controller v5.54.0 and earlier.

Affected products

• Silabs Z-Wave Pc-Based Controller: up to and including 5.54

Published 2024-02-21. Last modified 2026-06-17.