Vulnerability Details CVE-2026-66281
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.003
EPSS Ranking 21.0%
CVSS Severity
CVSS v3 Score 7.5
Products affected by CVE-2026-66281
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cpe:2.3:a:silabs:emberznet:1.0.0
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cpe:2.3:a:silabs:emberznet:7.1.3
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cpe:2.3:a:silabs:emberznet:7.1.5
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cpe:2.3:a:silabs:emberznet:7.2.0
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cpe:2.3:a:silabs:emberznet:7.2.3