CVE-2026-66282: medium-severity vulnerability in Silicon Labs EmberZNet
Authenticated Denial-of-Service in Zigbee Publish Billing Period
Published · Updated
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13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 6epss 0.3%
In EmberZNet 9.1.1 and earlier, a malformed Publish Billing Period command can result in a recursive function call that will never reach its end condition. These messages must come from a device that has already joined the network. Only devices supporting the Price Cluster are impacted.
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
Affected products
Silicon Labs · EmberZNetRelated CVEs — Silicon Labs EmberZNet
In the same product, most dangerous first.
CVE-2026-85079HIGHOut-of-bounds write in Zigbee Simple_Desc_req handlingEPSS 0.7%CVE-2026-94502HIGHOut-of-bounds write in Zigbee Publish Price Matrix handlingEPSS 0.7%CVE-2026-6432MEDIUMImproper bounds validation in EmberZNet SDKEPSS 0.6%CVE-2026-85080MEDIUMAuthenticated Denial-of-Service in Zigbee GetGroupMembership HandlingEPSS 0.5%CVE-2026-47154HIGHSimple Metering GetProfileResponse interval-bounds bug in EmberZNet v9.0.2EPSS 0.4%CVE-2026-47153HIGHLevel Control Step With On/Off divide-by-zero in EmberZNet v9.0.2EPSS 0.4%