CVE-2025-1221
5.9
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
Summary
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
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| silabs.com | Zigbee | 0 <= 4.3.3 | affected |
| silabs.com | Zigbee | 4.4.3 | affected |
| silabs.com | Zigbee | 0 <= 2024.6.1 | affected |
Weaknesses
- CWE-667: CWE-667 Improper Locking
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: no
- Technical Impact: partial
References
- 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
- https://community.silabs.com/068Vm00000Sadyn
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