DoS in Zigbee device due to heavy traffic

CVE Details

Basic Information

Title	DoS in Zigbee device due to heavy traffic
Type	cve
Published	2025-07-30T08:09:19.214Z
Modified	2025-07-30T08:09:19.214Z

Product Information

Vendor	silabs.com
Product	Zigbee
Version	0

CVSS Information

Base Score	5.9 (MEDIUM)
Attack Vector	CVSS:4.0/AV:A/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

AI Analysis

AI Description	A Denial of Service (DoS) vulnerability in a Zigbee device occurs due to heavy traffic, preventing message transmission to the host system and requiring a hard reset to restore functionality.
AI Severity	High
AI Vendor	Silabs
AI Product	Zigbee device
AI Version	0, 4.4.3

Affected Products

silabs.com Zigbee 0
silabs.com Zigbee 4.4.3
silabs.com Zigbee 0

Additional Information

CWE List	CWE-667
Source	Silabs

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

References

View Full CVE Details