CVE-2025-1221 | THREATINT

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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

Reserved 2025-02-11 | Published 2025-07-30 | Updated 2025-07-30 | Assigner Silabs

MEDIUM: 5.9CVSS:4.0/AV:A/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

Problem types

CWE-667 Improper Locking

Product status

Default status

unaffected

Any version

affected

4.4.3

affected

Default status

unaffected

Any version

affected

References

www.silabs.com/...-notes/emberznet-release-notes-7.4.4.0.pdf release-notes

www.silabs.com/...-notes/emberznet-release-notes-8.0.2.0.pdf release-notes

www.silabs.com/...-notes/emberznet-release-notes-8.1.0.0.pdf release-notes

community.silabs.com/068Vm00000Sadyn vendor-advisory permissions-required

cve.org (CVE-2025-1221)

nvd.nist.gov (CVE-2025-1221)

Download JSON

https://cve.threatint.eu/CVE/CVE-2025-1221

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