{"id":"CVE-2025-7964","summary":"Zigbee Router Denial of Service","details":"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.","modified":"2026-07-15T01:49:07.934765679Z","published":"2026-01-30T15:02:53.825Z","database_specific":{"cna_assigner":"Silabs","cwe_ids":["CWE-229"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/7xxx/CVE-2025-7964.json"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/7xxx/CVE-2025-7964.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-7964"},{"type":"REPORT","url":"https://community.silabs.com/068Vm00000dspiL"},{"type":"PACKAGE","url":"https://github.com/SiliconLabs/gecko_sdk"},{"type":"PACKAGE","url":"https://github.com/SiliconLabs/simplicity_sdk"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/siliconlabs/gecko_sdk","events":[{"introduced":"0"},{"last_affected":"59d2160fe448b13730a91c0f019a8b4c53c43eb2"}],"database_specific":{"source":"AFFECTED_FIELD","extracted_events":[{"introduced":"0"},{"last_affected":"4.4.6"}]}}],"versions":["v4.4.6","v4.4.5","v4.4.4","v4.4.3","v4.4.2","v4.4.1","v4.3.2","v4.4.0","v4.3.1","v4.2.3","v4.3.0","v4.2.2","v4.2.1","v4.2.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-7964.json"}},{"ranges":[{"type":"GIT","repo":"https://github.com/siliconlabs/simplicity_sdk","events":[{"introduced":"0"},{"last_affected":"4c4c7151c8a5953a6afc1e926c0bbb9e4e1893de"}],"database_specific":{"source":"AFFECTED_FIELD","extracted_events":[{"introduced":"0"},{"last_affected":"2025.6.1"}]}}],"versions":["v2025.6.1","v2025.6.0","v2024.12.2","v2024.12.1-0","v2024.12.0","v2024.6.2","v2024.6.1-0","v2024.6.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-7964.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V4","score":"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"}]}