CVE-2025-1394: Silabs.com Zigbee Stack

Medium severity, CVSS 5.9. EPSS: 0.2% chance of exploitation in the next 30 days.

The Ember ZNet stack’s packet buffer manager may read out of bound memory leading to an assert, causing a Denial of Service (DoS).

Affected products

• Silabs.com Zigbee Stack: up to and including 4.4.4; up to and including 2024.6.2

Published 2025-07-30. Last modified 2026-06-17.