CVE-2025-12035 MEDIUM

CVE-2025-12035: Bluetooth: Integer Overflow in Bluetooth Classic (BR/EDR) L2CAP

Vendor Zephyrproject-Rtos
Product Zephyr
Weakness CWE-190
Published December 15, 2025
Last update December 15, 2025

CVSS base score

6.5/10
Attack vector Adjacent
Attack complexity Low
Privileges required None
User interaction None
Confidentiality None
Integrity None

CVSS vector

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

What the vulnerability does

01Description

An integer overflow condition exists in Bluetooth Host stack, within the bt_br_acl_recv routine a critical path for processing inbound BR/EDR L2CAP traffic.

Key dates

02Disclosure timeline

December 15, 2025 CVE published
December 15, 2025 Record updated