Search/CVE-2026-66281
● CVE — High

CVE-2026-66281

VendorsilabsProductemberznetDiscoveredOct 22, 2026UpdatedOct 29, 2026

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.

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CVSS v3.1
7.5 HIGH
EPSS
0.33%
probability of exploitation in 30 days
CISA KEV
Not listed
no confirmed exploitation reported
News coverage
0
sources referencing this CVE
Related IOCs
0
seen in the same coverage
EPSS Trend
Oct 24, 2026 → Oct 31, 2026
▲ 0.11pp
0.22% → 0.33% over 3 tracked changes
CVSS v3.1 Detail
Attack VectorNETWORK
Attack ComplexityLOW
Privileges RequiredNONE
User InteractionNONE
ScopeUNCHANGED
ConfidentialityNONE
IntegrityNONE
AvailabilityHIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Connections
2 relationships
Timeline
disclosure → media coverage
Oct 22, 2026
Disclosure — published as a CVE record. · last revised by NVD Oct 29, 2026