CVE-2025-9558

Bluetooth: Mesh: Out-of-Bound Write in gen_prov_start

Published Nov 26, 2025 CVSS 3.1 · 7.6 High EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Zephyrproject-rtos
Zephyrproject-rtos zephyr
Vendors & Products Zephyrproject-rtos
Zephyrproject-rtos zephyr
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
Title Bluetooth: Mesh: Out-of-Bound Write in gen_prov_start
Weaknesses CWE-120
References
Metrics cvssV3_1

{'score': 7.6, 'vector': 'CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
zephyr
Published
Updated
Oct 13, 2026, 8:00 PM
Reserved
Aug 27, 2025, 7:14 PM
Status
Deferred
Published
Nov 26, 2025, 6:15 AM
Modified
Oct 13, 2026, 8:17 PM