{"id":"CVE-2025-9558","aliases":["EUVD-2025-199712","GHSA-8wvr-688x-68vr"],"status":"published","title":"Bluetooth: Mesh: Out-of-Bound Write in gen_prov_start","description":"There is a potential OOB Write vulnerability in the gen_prov_start function in pb_adv.c. The full length of the received data is copied into the link.rx.buf receiver buffer without any validation on the data size.","severity":{"version":"3.1","score":7.6,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-08","score":0.00202,"percentile":0.10252,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-120"],"published":"2025-11-26T05:39:43Z","modified":"2026-10-28T02:30:32Z","products":[{"vendor":"zephyrproject-rtos","product":"zephyr"}],"references":[{"url":"https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-8wvr-688x-68vr","tags":["advisory"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/9xxx/CVE-2025-9558.json","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-9558","tags":["advisory"]},{"url":"https://github.com/zephyrproject-rtos/zephyr","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2025-9558","title":"Bluetooth: Mesh: Out-of-Bound Write in gen_prov_start","description":"There is a potential OOB Write vulnerability in the gen_prov_start function in pb_adv.c. The full length of the received data is copied into the link.rx.buf receiver buffer without any validation on the data size.","status":"published","published":"2025-11-26T05:39:43.615Z","modified":"2026-10-13T20:00:31.778Z","cvss":[{"version":"3.1","score":7.6,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-120"],"updated_at":"2026-11-02T14:32:34.096798Z"}],"euvd":[{"id":"EUVD-2025-199712","description":"There is a potential OOB Write vulnerability in the gen_prov_start function in pb_adv.c. The full length of the received data is copied into the link.rx.buf receiver buffer without any validation on the data size.","status":"published","published":"2025-11-26T05:39:43Z","modified":"2026-10-13T20:00:31Z","cvss":[{"version":"3.1","score":7.6,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H","level":"high"}],"updated_at":"2026-11-02T17:27:18.769576Z"}],"nvd":[{"id":"CVE-2025-9558","description":"There is a potential OOB Write vulnerability in the gen_prov_start function in pb_adv.c. The full length of the received data is copied into the link.rx.buf receiver buffer without any validation on the data size.","status":"published","published":"2025-11-26T06:15:46.163Z","modified":"2026-10-13T20:17:01.41Z","cvss":[{"version":"3.1","score":7.6,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-120"],"updated_at":"2026-11-02T14:11:46.94029Z"}],"osv":[{"id":"CVE-2025-9558","title":"Bluetooth: Mesh: Out-of-Bound Write in gen_prov_start","description":"There is a potential OOB Write vulnerability in the gen_prov_start function in pb_adv.c. The full length of the received data is copied into the link.rx.buf receiver buffer without any validation on the data size.","status":"published","published":"2025-11-26T05:39:43.615Z","modified":"2026-10-28T02:30:32.726380471Z","cvss":[{"version":"3.1","score":7.6,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H","level":"high"}],"cwes":["CWE-120"],"updated_at":"2026-11-02T15:44:53.490346Z"}]}}