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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
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