CRITICAL
Zigbee Router Denial of Service
Published Jan 30, 2026
9.2
CRITICALCVSS 4.0
EPSS 0.29%
Description
After receiving a
malformed 802.15.4 MAC Data Request
the Zigbee Coordinator sends a ‘network leave’ request to Zigbee router resulting in the Zigbee Router getting stuck in a non-rejoinable state. If a suitable parent is not available, the end devices will be unable to rejoin. A manual recommissioning is required to recover the Zigbee Router.
Affected products
-
- Version 0StatusaffectedConstraints<=2025.6.1
- Version 0StatusaffectedConstraints<=4.4.6
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Silabs.com | Silicon Labs Zigbee Stack | unaffected |
|
No data.
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Weaknesses (1)
References (2)
- https://community.silabs.com/068Vm00000dspiL vendor-advisorypermissions-required
- https://euvd.enisa.europa.eu/vulnerability/EUVD-2025-206576 Advisory
| Link | Providers | Tags |
|---|---|---|
| https://community.silabs.com/068Vm00000dspiL | vendor-advisorypermissions-required | |
| https://euvd.enisa.europa.eu/vulnerability/EUVD-2025-206576 | Advisory |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner Silabs
Published Jan 30, 2026
Updated Jan 30, 2026
Reserved Jul 21, 2025
Link CVE-2025-7964
CISA Vulnrichment
Updated Jan 30, 2026
ENISA EUVD
EUVD-2025-206576 Assigner Silabs
Published Jan 30, 2026
Updated Jan 30, 2026
Exploited since n/a
Link EUVD-2025-206576