CVE-2025-1221 Information

Jul 31, 2025 cve

Description

A Zigbee Radio Co-Processor (RCP) which is using SiLabs EmberZNet Zigbee stack was unable to send messages to the host system (CPCd) due to heavy Zigbee traffic resulting in a Denial of Service (DoS) attack Only hard reset will bring the device to normal operation

Reference

https://community.silabs.com/068Vm00000Sadyn https://www.silabs.com/documents/public/release-notes/emberznet-release-notes-7.4.4.0.pdf https://www.silabs.com/documents/public/release-notes/emberznet-release-notes-8.0.2.0.pdf https://www.silabs.com/documents/public/release-notes/emberznet-release-notes-8.1.0.0.pdf

CNNVD-202507-3768 (Published: 2025-07-30)

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