CVE detail
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
Buzz score
Why this CVE is surfacing
This all-time snapshot uses the same composite formula as Trending across a 30-year evidence window, rather than a current rolling window.
Buzz score components · mention 17.9 · diversity 15.0 · KEV 0.0 · OTX 0.0 · PoC 0.0
Why it matters now
Mention timeline
- Total mentions
- 0
- within the 30d window
- Peak daily
- 0
- highest bucket
Evidence
Source links by recency
5 source links · newest first
- Wireless vulnerabilities are doubling every few yearsHelp Net Security
Wireless vulnerabilities are being disclosed at a rate that has no precedent in the fifteen-year history of systematic tracking. In 2025, researchers published 937 new wireless-related CVEs, an average of 2.5 per day, according to a threat report from Bastille Networks based on data from the NIST National Vulnerability Database. Wireless threats increasing 20X faster than overall CVE disclosures (Source: Bastille Networks) Wireless CVEs are growing 20 times faster than the broader CVE field The … More →
newswww.helpnetsecurity.comMar 12, 2026, 5:00 AM - https://www.silabs.com/documents/public/release-notes/emberznet-release-notes-8.1.0.0.pdfwww.silabs.com
No excerpt available.
referencewww.silabs.comJul 30, 2025, 8:15 AM - https://www.silabs.com/documents/public/release-notes/emberznet-release-notes-8.0.2.0.pdfwww.silabs.com
No excerpt available.
referencewww.silabs.comJul 30, 2025, 8:15 AM - https://www.silabs.com/documents/public/release-notes/emberznet-release-notes-7.4.4.0.pdfwww.silabs.com
No excerpt available.
referencewww.silabs.comJul 30, 2025, 8:15 AM - https://community.silabs.com/068Vm00000Sadyncommunity.silabs.com
No excerpt available.
Permissions Requiredcommunity.silabs.comJul 30, 2025, 8:15 AM
Exploit code
Public exploit repository references
Public PoC repositories are third-party, potentially unsafe artifacts. Treat their code as untrusted and use it only on authorized systems in an isolated, least-privilege environment. cvebuzz does not execute the code or verify that an exploit works.
0 repository references · best confidence N/A · max 0 stars
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