CVE-2023-2683: Silabs Bluetooth Low Energy Software Development Kit

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

A memory leak in the EFR32 Bluetooth LE stack 5.1.0 through 5.1.1 allows an attacker to send an invalid pairing message and cause future legitimate connection attempts to fail. A reset of the device immediately clears the error.

Affected products

• Silabs Bluetooth Low Energy Software Development Kit: from 5.0.0, up to and including 5.1.1

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