VulnerabilityDeferred
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…
MEDIUM 5.9EPSS 0.18%
Does this matter?
Lower severity and a low EPSS score (0.18%). Track it; it rarely justifies an emergency change on its own.
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
- CVSS 4.0
- 5.9 MEDIUMCVSS:4.0/AV:A/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M
- EPSS
- 0.18% probability · 8th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-667
- Source
- product-security@silabs.com
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
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.