CVE-2023-2686: Silabs Gecko Software Development Kit

Critical severity, CVSS 9.8. EPSS: 0.8% chance of exploitation in the next 30 days.

Buffer overflow in Wi-Fi Commissioning MicriumOS example in Silicon Labs Gecko SDK v4.2.3 or earlier allows connected device to write payload onto the stack.

Affected products

• Silabs Gecko Software Development Kit: up to and including 4.2.3

Published 2023-06-15. Last modified 2026-06-17.