{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-7964","assignerOrgId":"030b2754-1501-44a4-bef8-48be86a33bf4","state":"PUBLISHED","assignerShortName":"Silabs","dateReserved":"2025-07-21T17:44:17.730Z","datePublished":"2026-01-30T15:02:53.825Z","dateUpdated":"2026-01-30T15:36:46.637Z"},"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","packageName":"GSDK","product":"Silicon Labs Zigbee Stack","repo":"https://github.com/SiliconLabs/gecko_sdk","vendor":"silabs.com","versions":[{"lessThanOrEqual":"4.4.6","status":"affected","version":"0","versionType":"semver"}]},{"defaultStatus":"unaffected","packageName":"SiSDK","product":"Silicon Labs Zigbee Stack","repo":"https://github.com/SiliconLabs/simplicity_sdk","vendor":"silabs.com","versions":[{"lessThanOrEqual":"2025.6.1","status":"affected","version":"0","versionType":"semver"}]}],"descriptions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"<div>After receiving a \n\n<span style=\"background-color: rgb(255, 255, 255);\">malformed 802.15.4 MAC Data Request</span>\n\n the Zigbee Coordinator sends a ‘network leave’ request to Zigbee router resulting in the Zigbee Router getting stuck in a non-rejoinable state. If a suitable parent is not available, the end devices will be unable to rejoin.&nbsp;A manual recommissioning is required to recover the Zigbee Router.</div>\n\n<br>"}],"value":"After receiving a \n\nmalformed 802.15.4 MAC Data Request\n\n the Zigbee Coordinator sends a ‘network leave’ request to Zigbee router resulting in the Zigbee Router getting stuck in a non-rejoinable state. If a suitable parent is not available, the end devices will be unable to rejoin. A manual recommissioning is required to recover the Zigbee Router."}],"impacts":[{"capecId":"CAPEC-153","descriptions":[{"lang":"en","value":"CAPEC-153 Input Data Manipulation"}]}],"metrics":[{"cvssV4_0":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":9.2,"baseSeverity":"CRITICAL","exploitMaturity":"NOT_DEFINED","privilegesRequired":"NONE","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"HIGH","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE","vulnerabilityResponseEffort":"NOT_DEFINED"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-229","description":"CWE-229: Improper Handling of Values","lang":"en","type":"CWE"}]}],"providerMetadata":{"orgId":"030b2754-1501-44a4-bef8-48be86a33bf4","shortName":"Silabs","dateUpdated":"2026-01-30T15:02:53.825Z"},"references":[{"tags":["vendor-advisory","permissions-required"],"url":"https://community.silabs.com/068Vm00000dspiL"}],"source":{"discovery":"UNKNOWN"},"title":"Zigbee Router Denial of Service","x_generator":{"engine":"Vulnogram 0.2.0"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-01-30T15:36:24.476564Z","id":"CVE-2025-7964","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-01-30T15:36:46.637Z"}}]}}