CVE-2023-43511 HIGH

CVE-2023-43511: Loop with Unreachable Exit Condition (Infinite Loop) in WLAN Firmware

Vendor Qualcomm, Inc.
Product Snapdragon
Weakness CWE-835
Published January 2, 2024
Last update June 16, 2025

CVSS base score

7.5/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality None
Integrity None

CVSS vector

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

What the vulnerability does

01Description

Transient DOS while parsing IPv6 extension header when WLAN firmware receives an IPv6 packet that contains `IPPROTO_NONE` as the next header.

Key dates

02Disclosure timeline

January 2, 2024 CVE published
June 16, 2025 Record updated