CVE-2026-66281
High · 7.5CVSS
7.5
EPSS
0.3%
Published
Oct 22, 2026
CISA due date
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The record
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.
Affected packages
| Ecosystem | Package | Introduced | Fixed |
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