CVE-2025-21483 CRITICAL

CVE-2025-21483: Improper Restriction of Operations within the Bounds of a Memory Buffer in Data Network Stack & Connectivity

Vendor Qualcomm, Inc.
Product Snapdragon
Weakness CWE-119
Published September 24, 2025
Last update February 26, 2026

CVSS base score

9.8/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

Memory corruption when the UE receives an RTP packet from the network, during the reassembly of NALUs.

Key dates

02Disclosure timeline

September 24, 2025 CVE published
February 26, 2026 Record updated