CVE-2025-7964
Zigbee Router Denial of Service
- State
- Published
- Severity
- 9.2 Critical
- Published
- Jan 30, 2026
- Updated
- Jan 30, 2026
- Reserved
- Jul 21, 2025
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 9.2 Critical | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H | Silabs |
Weaknesses
- CWE-229 Improper Handling of Values
Affected Products
| Product | Versions |
|---|---|
Silicon Labs Zigbee Stacksilabs.com |
|
Silicon Labs Zigbee Stacksilabs.com |
|
References
- https://community.silabs.com/068Vm00000dspiLvendor-advisorypermissions-required
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