{"id":"CVE-2025-4321","aliases":["EUVD-2025-197801","GHSA-5hr4-696x-x4hr"],"status":"published","title":"DoS in RS9116W-WiSeConnect L2CAP protocol due to reception of malformed packets","description":"In a Bluetooth device, using RS9116-WiseConnect SDK experiences a Denial of Service, if it receives malformed L2CAP packets, only hard reset will bring the device to normal operation","severity":{"version":"4.0","score":7.1,"vector":"CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00187,"percentile":0.08361,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-240","CWE-617"],"published":"2025-11-17T14:58:33Z","modified":"2026-10-07T21:10:00Z","exploits":[{"source":"pocgithub","id":"Salman-Sec/Patch-management-","title":"Salman-Sec/Patch-management-","date":"2026-05-06","url":"https://github.com/Salman-Sec/Patch-management-"}],"products":[{"vendor":"silabs.com","product":"rs9116w"}],"references":[{"url":"https://community.silabs.com/068Vm00000YV9DL","tags":["vendor-advisory","permissions-required"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-4321"},{"url":"https://github.com/advisories/GHSA-5hr4-696x-x4hr"}],"sources":{"cve":[{"id":"CVE-2025-4321","title":"DoS in RS9116W-WiSeConnect L2CAP protocol due to reception of malformed packets","description":"In a Bluetooth device, using RS9116-WiseConnect SDK experiences a Denial of Service, if it receives malformed L2CAP packets, only hard reset will bring the device to normal operation","status":"published","published":"2025-11-17T14:58:33.862Z","modified":"2025-11-17T15:12:34.39Z","cvss":[{"version":"4.0","score":7.1,"vector":"CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","level":"high","assessor":"cna"}],"cwes":["CWE-240","CWE-617"],"updated_at":"2026-11-02T14:32:48.167635Z"}],"euvd":[{"id":"EUVD-2025-197801","description":"In a Bluetooth device, using RS9116-WiseConnect SDK experiences a Denial of Service, if it receives malformed L2CAP packets, only hard reset will bring the device to normal operation","status":"published","published":"2025-11-17T14:58:33Z","modified":"2025-11-17T15:12:34Z","cvss":[{"version":"4.0","score":7.1,"vector":"CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","level":"high"}],"updated_at":"2026-11-02T19:49:16.584357Z"}],"ghsa":[{"id":"GHSA-5hr4-696x-x4hr","title":"In a Bluetooth device, using RS9116-WiseConnect SDK experiences a Denial of Service, if it...","description":"In a Bluetooth device, using RS9116-WiseConnect SDK experiences a Denial of Service, if it receives malformed L2CAP packets, only hard reset will bring the device to normal operation","status":"published","published":"2025-11-17T15:30:39Z","modified":"2025-11-17T15:30:40Z","cvss":[{"version":"4.0","score":7.1,"vector":"CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high"}],"cwes":["CWE-240"],"updated_at":"2026-11-02T15:04:49.684595Z"}],"nvd":[{"id":"CVE-2025-4321","description":"In a Bluetooth device, using RS9116-WiseConnect SDK experiences a Denial of Service, if it receives malformed L2CAP packets, only hard reset will bring the device to normal operation","status":"published","published":"2025-11-17T15:15:51.733Z","modified":"2026-10-07T21:10:00.2Z","cvss":[{"version":"4.0","score":7.1,"vector":"CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high","assessor":"secondary"}],"cwes":["CWE-240","CWE-617"],"updated_at":"2026-11-02T14:11:44.669367Z"}]}}