{"id":"CVE-2026-66281","revision":"6fbb3c60e91d45cf9f43e72dcf2298e4","records":[{"revision":"6fbb3c60e91d45cf9f43e72dcf2298e4","observedAt":"2026-10-23T16:01:20.601+00:00","statement":{"source":"cve-program","id":"CVE-2026-66281","aliases":[],"title":"Authenticated Denial-of-Service in Zigbee Discover Attributes Handling","description":"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.","state":0,"publishedAt":"2026-10-22T13:43:26.358+00:00","modifiedAt":"2026-10-23T10:56:10.091+00:00","affected":[{"ecosystem":"Vendor product","name":"EmberZNet","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"Silicon Labs\",\n                    \"product\": \"EmberZNet\",\n                    \"repo\": \"https://github.com/SiliconLabsSoftware/sisdk-release/\",\n                    \"versions\": [\n                        {\n                            \"status\": \"affected\",\n                            \"version\": \"0\",\n                            \"lessThanOrEqual\": \"9.1.1\",\n                            \"versionType\": \"semver\"\n                        }\n                    ],\n                    \"defaultStatus\": \"unaffected\"\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"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","score":6,"severity":"MEDIUM"}],"references":["https://github.com/SiliconLabsSoftware/docs-security-advisories/blob/main/Advisories/500-599/A-00000590.md"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-66281","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-66281","identifiers":["CVE-2026-66281"]},"retained":false,"historicalAffected":[]}],"coverage":[]}