Denial of Service Vulnerability in Qualcomm Network Products
CVE-2025-21477

7.5HIGH

Key Information:

Vendor

Qualcomm
Status
Snapdragon
Vendor
CVE Published:
6 August 2025

What is CVE-2025-21477?

A vulnerability exists in Qualcomm's network products that can lead to transient denial of service during the processing of CCCH data when the network sends data containing an invalid length. This issue could potentially allow attackers to exploit the flaw to disrupt service availability, impacting the performance of network operations.

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

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CVE-2025-21477 : Denial of Service Vulnerability in Qualcomm Network Products