CVE-2024-3043: Silabs Emberznet SDK

High severity, CVSS 7.5. EPSS: 0.5% chance of exploitation in the next 30 days.

An unauthenticated IEEE 802.15.4 'co-ordinator realignment' packet can be used to force Zigbee nodes to change their network identifier (pan ID), leading to a denial of service. This packet type is not useful in production and should be used only for PHY qualification.

Affected products

• Silabs Emberznet SDK: before 8.0.0 (fixed in 8.0.0)
• Silabs.com Ember Znet SDK: before 8.0.0 (fixed in 8.0.0)

Published 2024-06-27. Last modified 2026-06-17.