CVE-2025-12890 MEDIUM

CVE-2025-12890: Bluetooth: peripheral: Invalid handling of malformed connection request

Vendor Zephyrproject-Rtos
Product Zephyr
Weakness CWE-703
Published November 7, 2025
Last update November 10, 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

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.

Key dates

02Disclosure timeline

November 7, 2025 CVE published
November 10, 2025 Record updated