{"id":"CVE-2025-12890","aliases":["EUVD-2025-38327","GHSA-8hrf-pfww-83v9"],"status":"published","title":"Bluetooth: peripheral: Invalid handling of malformed connection request","description":"Improper handling of  malformed Connection Request with the interval set to be 1 (which supposed to be illegal) and the chM 0x7CFFFFFFFF triggers a crash. The peripheral will not be connectable after it.","severity":{"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":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00202,"percentile":0.10223,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-703"],"published":"2025-11-07T18:40:56Z","modified":"2026-10-28T02:30:44Z","exploits":[{"source":"pocgithub","id":"gduma-phData/patch-CVE-2025-12890","title":"gduma-phData/patch-CVE-2025-12890","date":"2026-08-24","url":"https://github.com/gduma-phData/patch-CVE-2025-12890"}],"products":[{"vendor":"zephyrproject-rtos","product":"zephyr"}],"references":[{"url":"https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-8hrf-pfww-83v9","tags":["advisory"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/12xxx/CVE-2025-12890.json","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-12890","tags":["advisory"]},{"url":"https://github.com/zephyrproject-rtos/zephyr","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2025-12890","title":"Bluetooth: peripheral: Invalid handling of malformed connection request","description":"Improper handling of  malformed Connection Request with the interval set to be 1 (which supposed to be illegal) and the chM 0x7CFFFFFFFF triggers a crash. The peripheral will not be connectable after it.","status":"published","published":"2025-11-07T18:40:56.266Z","modified":"2026-10-13T19:55:57.611Z","cvss":[{"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":"cna"}],"cwes":["CWE-703"],"updated_at":"2026-11-02T14:32:41.743125Z"}],"euvd":[{"id":"EUVD-2025-38327","description":"Improper handling of  malformed Connection Request with the interval set to be 1 (which supposed to be illegal) and the chM 0x7CFFFFFFFF triggers a crash. The peripheral will not be connectable after it.","status":"published","published":"2025-11-07T18:40:56Z","modified":"2026-10-13T19:55:57Z","cvss":[{"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"}],"updated_at":"2026-11-02T17:27:18.769576Z"}],"nvd":[{"id":"CVE-2025-12890","description":"Improper handling of  malformed Connection Request with the interval set to be 1 (which supposed to be illegal) and the chM 0x7CFFFFFFFF triggers a crash. The peripheral will not be connectable after it.","status":"published","published":"2025-11-07T19:15:46.343Z","modified":"2026-10-13T20:17:00.263Z","cvss":[{"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":"secondary"}],"cwes":["CWE-703"],"updated_at":"2026-11-02T14:11:42.870953Z"}],"osv":[{"id":"CVE-2025-12890","title":"Bluetooth: peripheral: Invalid handling of malformed connection request","description":"Improper handling of  malformed Connection Request with the interval set to be 1 (which supposed to be illegal) and the chM 0x7CFFFFFFFF triggers a crash. The peripheral will not be connectable after it.","status":"published","published":"2025-11-07T18:40:56.266Z","modified":"2026-10-28T02:30:44.141388458Z","cvss":[{"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"}],"cwes":["CWE-703"],"updated_at":"2026-11-02T15:44:46.024537Z"}]}}