9.2
Critical
CVE-2025-7964 After receiving a malformed 802.15.4 MAC Data Request the Zigbee Coordinator sends a ‘network leave’ request to Zigbee…
Description
After receiving a malformed 802.15.4 MAC Data Request the Zigbee Coordinator sends a ‘network leave’ request to Zigbee router resulting in the Zigbee Router getting stuck in a non-rejoinable state. If a suitable parent is not available, the end devices will be unable to rejoin. A manual recommissioning is required to recover the Zigbee Router.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Silicon Labs Zigbee Stack 2025.6 | earliest → 2025.6.1 | No fix stated |