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

INFO

Published Date :

2025-07-30T08:09:19.214Z

Last Modified :

2025-07-30T13:40:39.039Z

Source :

Silabs
AFFECTED PRODUCTS

The following products are affected by CVE-2025-1221 vulnerability.

Vendors Products
Silabs
  • Emberznet

CVSS Vulnerability Scoring System

Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Attack Requirements
Privileges Required
User Interaction
VS Confidentiality
VS Integrity
VS Availability
SS Confidentiality
SS Integrity
SS Availability