CVE-2025-1221

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...

CVE-2025-1221

CVE-2025-1221 affects Zigbee Radio Co-Processors using Silicon Labs EmberZNet Zigbee stack. The issue arises from heavy Zigbee traffic that prevents messages from being sent to the host system (CPCd), causing a Denial of Service. Practical impact is DoS with normal operation only restored by a ha...

PT-2025-31377 · Silicon · Ember Znet

Name of the Vulnerable Software and Affected Versions: SiLabs EmberZNet Zigbee stack affected versions not specified Description: A Zigbee Radio Co-Processor RCP using the SiLabs EmberZNet Zigbee stack was unable to send messages to the host system CPCd due to heavy Zigbee traffic. This resulted ...