CVE-2026-66281
Authenticated Denial-of-Service in Zigbee Discover Attributes Handling
- State
- Published
- Severity
- 6.0 Medium
- Published
- Oct 22, 2026
- Updated
- Oct 23, 2026
- Reserved
- Jul 24, 2026
Description
In EmberZNet 9.1.1 and earlier, a malformed Discover Attributes command can result in a loop with unreachable exit condition (infinite loop). These messages must come from a device that has already joined the network. Only devices supporting manufacturer-specific clusters are impacted.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 6.0 Medium | CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N | Silabs |
Weaknesses
- CWE-835 Loop with unreachable exit condition ('infinite loop')
Affected Products
| Product | Versions |
|---|---|
EmberZNetSilicon Labs |
|
References
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