CVE-2020-15531: Silabs Bluetooth Low Energy Software Development Kit

High severity, CVSS 8.8. EPSS: 3.2% chance of exploitation in the next 30 days.

Silicon Labs Bluetooth Low Energy SDK before 2.13.3 has a buffer overflow via packet data. This is an over-the-air remote code execution vulnerability in Bluetooth LE in EFR32 SoCs and associated modules running Bluetooth SDK, supporting Central or Observer roles.

Affected products

• Silabs Bluetooth Low Energy Software Development Kit: before 2.13.3.0 (fixed in 2.13.3.0)

Published 2020-08-20. Last modified 2026-06-17.