CVE-2025-21477 HIGH

CVE-2025-21477: Improper Input Validation in Modem

Vendor Qualcomm, Inc.
Product Snapdragon
Weakness CWE-20 · Input validation
Published August 6, 2025
Last update August 6, 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 processing CCCH data when NW sends data with invalid length.

Key dates

02Disclosure timeline

August 6, 2025 CVE published
August 6, 2025 Record updated