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
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
UNKNOWN
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SilabsCNA
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CISA-ADPADP
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Awaiting analysis
This vulnerability is currently awaiting analysis.
Base Score
CVSS 3.x
EPSS Score
Percentile: 3%
Common Weakness Enumeration
References
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