{"id":"CVE-2023-5310","aliases":["EUVD-2023-57633","GHSA-c948-477j-77c3"],"status":"published","title":"Z-Wave Denial of Service caused by Stream of Packets","description":"A denial of service vulnerability exists in all Silicon Labs Z-Wave controller and endpoint devices running Z-Wave SDK v7.20.3 (Gecko SDK v4.3.3) and earlier. This attack can be carried out only by devices on the network sending a stream of packets to the device.","severity":{"version":"3.1","score":5.7,"vector":"CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00348,"percentile":0.28602,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-248","CWE-754"],"published":"2023-12-15T16:05:15Z","modified":"2026-06-17T06:48:18Z","products":[{"vendor":"silabs","product":"z-wave_software_development_kit"},{"vendor":"silabs.com","product":"gecko sdk"}],"references":[{"url":"https://github.com/SiliconLabs/gecko_sdk/releases","tags":["x_transferred","Release Notes"]},{"url":"https://siliconlabs.lightning.force.com/sfc/servlet.shepherd/document/download/069Vm0000005E7EIAU?%20operationContext=S1","tags":["vendor-advisory","x_transferred","Permissions Required"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-5310"},{"url":"https://github.com/advisories/GHSA-c948-477j-77c3"}],"sources":{"cve":[{"id":"CVE-2023-5310","title":"Z-Wave Denial of Service caused by Stream of Packets","description":"A denial of service vulnerability exists in all Silicon Labs Z-Wave controller and endpoint devices running Z-Wave SDK v7.20.3 (Gecko SDK v4.3.3) and earlier. This attack can be carried out only by devices on the network sending a stream of packets to the device.","status":"published","published":"2023-12-15T16:05:15.12Z","modified":"2024-10-08T14:15:42.486Z","cvss":[{"version":"3.1","score":5.7,"vector":"CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"cna"}],"cwes":["CWE-248"],"updated_at":"2026-11-02T14:35:16.771348Z"}],"euvd":[{"id":"EUVD-2023-57633","description":"A denial of service vulnerability exists in all Silicon Labs Z-Wave controller and endpoint devices running Z-Wave SDK v7.20.3 (Gecko SDK v4.3.3) and earlier. This attack can be carried out only by devices on the network sending a stream of packets to the device.","status":"published","published":"2023-12-15T16:05:15Z","modified":"2024-10-08T14:15:42Z","cvss":[{"version":"3.1","score":5.7,"vector":"CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-03T00:27:45.808193Z"}],"ghsa":[{"id":"GHSA-c948-477j-77c3","title":"\nA denial of service vulnerability exists in all Silicon Labs Z-Wave controller and endpoint...","description":"\nA denial of service vulnerability exists in all Silicon Labs Z-Wave controller and endpoint devices running Z-Wave SDK v7.20.3 (Gecko SDK v4.3.3) and earlier. This attack can be carried out only by devices on the network sending a stream of packets to the device.\n\n","status":"published","published":"2023-12-15T18:30:28Z","modified":"2024-09-27T18:33:27Z","cvss":[{"version":"3.1","score":5.7,"vector":"CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-248","CWE-754"],"updated_at":"2026-11-02T14:58:21.889894Z"}],"nvd":[{"id":"CVE-2023-5310","description":"A denial of service vulnerability exists in all Silicon Labs Z-Wave controller and endpoint devices running Z-Wave SDK v7.20.3 (Gecko SDK v4.3.3) and earlier. This attack can be carried out only by devices on the network sending a stream of packets to the device.","status":"published","published":"2023-12-15T16:15:46.117Z","modified":"2026-06-17T06:48:18.96Z","cvss":[{"version":"3.1","score":5.7,"vector":"CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"secondary"},{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary"}],"cwes":["CWE-248"],"updated_at":"2026-11-02T14:08:56.329586Z"}]}}