Transient Denial of Service in Qualcomm LTE Network Products
CVE-2025-21452

7.5HIGH

Key Information:

Vendor

Qualcomm
Status
Snapdragon
Vendor
CVE Published:
6 August 2025

What is CVE-2025-21452?

A vulnerability in Qualcomm's LTE network products allows for a transient denial of service (DoS) when processing a random-access response (RAR) with an invalid Protocol Data Unit (PDU) length. This could potentially disrupt active connections on the LTE network, causing temporary service unavailability. Organizations using these products should be aware of this issue, particularly in environments where network reliability is critical.

Affected Version(s)

Snapdragon Snapdragon Auto 315 5G IoT Modem

Snapdragon Snapdragon Auto AR8035

Snapdragon Snapdragon Auto FastConnect 6200

References

https://docs.qualcomm.com/product/publicresources/securit...

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.
CVE-2025-21452 : Transient Denial of Service in Qualcomm LTE Network Products