{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-85080", "assignerOrgId": "030b2754-1501-44a4-bef8-48be86a33bf4", "state": "PUBLISHED", "assignerShortName": "Silabs", "dateReserved": "2026-09-02T21:28:42.152Z", "datePublished": "2026-10-22T13:42:26.160Z", "dateUpdated": "2026-10-22T13:42:26.160Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "030b2754-1501-44a4-bef8-48be86a33bf4", "shortName": "Silabs", "dateUpdated": "2026-10-22T13:42:26.160Z"}, "title": "Authenticated Denial-of-Service in Zigbee GetGroupMembership Handling", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-121", "description": "CWE-121 Stack-based Buffer Overflow", "type": "CWE"}]}], "impacts": [{"capecId": "CAPEC-153", "descriptions": [{"lang": "en", "value": "CAPEC-153 Input Data Manipulation"}]}], "affected": [{"vendor": "Silicon Labs", "product": "EmberZNet", "repo": "https://github.com/SiliconLabsSoftware/sisdk-release/", "versions": [{"status": "affected", "version": "0", "lessThanOrEqual": "9.1.1", "versionType": "semver"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "In EmberZNet 9.1.1 and earlier, a malformed GetGroupMembership message can result in an out-of-bounds write leading to a crash. A limited number of values can be written using this vulnerability, so no route to remote code execution was observed. These messages must come from a device that has already joined the network. Only devices supporting the Group Cluster are impacted.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "In EmberZNet 9.1.1 and earlier, a malformed GetGroupMembership message can result in an out-of-bounds write leading to a crash. A limited number of values can be written using this vulnerability, so no route to remote code execution was observed. These messages must come from a device that has already joined the network. Only devices supporting the Group Cluster are impacted."}]}], "references": [{"url": "https://github.com/SiliconLabsSoftware/docs-security-advisories/blob/main/Advisories/500-599/A-00000590.md", "tags": ["vendor-advisory"]}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV4_0": {"attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "privilegesRequired": "LOW", "userInteraction": "NONE", "vulnConfidentialityImpact": "NONE", "subConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "subIntegrityImpact": "NONE", "vulnAvailabilityImpact": "HIGH", "subAvailabilityImpact": "NONE", "exploitMaturity": "NOT_DEFINED", "Safety": "NOT_DEFINED", "Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "valueDensity": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "version": "4.0", "baseSeverity": "MEDIUM", "baseScore": 6, "vectorString": "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"}}], "credits": [{"lang": "en", "value": "Junming C. (@Chapoly1305) and Prof. Qiang Zeng of George Mason University", "type": "reporter"}], "source": {"discovery": "INTERNAL"}, "x_generator": {"engine": "Vulnogram 1.0.5"}}}}

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{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,9.1.1]"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "EmberZNet", "source": "cna", "vendor": "Silicon Labs"}, "product": "emberznet", "vendor": "silicon_labs"}], "created": "2026-10-22T15:45:08.306123+00:00", "updated": "2026-10-22T16:30:08.806000+00:00", "vendors": ["silicon_labs", "silicon_labs$PRODUCT$emberznet"]}