CVE-2025-9558 HIGH

CVE-2025-9558: Bluetooth: Mesh: Out-of-Bound Write in gen_prov_start

Vendor Zephyrproject-Rtos
Product Zephyr
Weakness CWE-120
Published November 26, 2025
Last update November 26, 2025
View on NVD All CVEs

CVSS base score

7.6/10
Attack vector Adjacent
Attack complexity Low
Privileges required None
User interaction None
Confidentiality Low
Integrity Low

CVSS vector

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

November 26, 2025 CVE published
November 26, 2025 Record updated