CVE-2023-1261: Silabs Wi-Sun Software Development Kit

Medium severity, CVSS 5.3. EPSS: 0.4% chance of exploitation in the next 30 days.

Missing MAC layer security in Silicon Labs Wi-SUN SDK v1.5.0 and earlier allows malicious node to route malicious messages through network.

Affected products

• Silabs Wi-Sun Software Development Kit: up to and including 1.5.0

Published 2023-03-21. Last modified 2026-06-17.