CVE-2025-21452

Reachable Assertion in Modem

State: Published
Severity: 7.5 High
Published: Aug 6, 2025
Updated: Aug 6, 2025
Reserved: Dec 18, 2024

Description

Transient DOS while processing a random-access response (RAR) with an invalid PDU length on LTE network.

Scores

CVSS	Score	Vector	Source
3.1	7.5 High	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H	qualcomm

Weaknesses

CWE-617 Reachable Assertion

Affected Products

Product	Versions
SnapdragonQualcomm, Inc.	315 5G IoT ModemAffected AR8035Affected FastConnect 6200Affected FastConnect 6700Affected FastConnect 6800Affected FastConnect 6900Affected FSM10055Affected QCA6174AAffected QCA6391Affected QCA6421Affected QCA6426Affected QCA6431Affected QCA6436Affected QCA6574AAffected QCA6574AUAffected QCA6595AUAffected QCA6696Affected QCA6698AQAffected QCA8337Affected QCM5430Affected QCM6490Affected QCS5430Affected QCS6490Affected QEP8111Affected Qualcomm Video Collaboration VC3 PlatformAffected and 55 more versions

Product

Versions

SnapdragonQualcomm, Inc.

315 5G IoT ModemAffected
AR8035Affected
FastConnect 6200Affected
FastConnect 6700Affected
FastConnect 6800Affected
FastConnect 6900Affected
FSM10055Affected
QCA6174AAffected
QCA6391Affected
QCA6421Affected
QCA6426Affected
QCA6431Affected
QCA6436Affected
QCA6574AAffected
QCA6574AUAffected
QCA6595AUAffected
QCA6696Affected
QCA6698AQAffected
QCA8337Affected
QCM5430Affected
QCM6490Affected
QCS5430Affected
QCS6490Affected
QEP8111Affected
Qualcomm Video Collaboration VC3 PlatformAffected
and 55 more versions

References

https://docs.qualcomm.com/product/publicresources/securitybulletin/august-2025-bulletin.html

Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.