CVE-2025-47321

Buffer Copy Without Checking Size of Input in Core Services

State: Published
Severity: 7.8 High
Published: Dec 18, 2025
Updated: Dec 18, 2025
Reserved: May 6, 2025

Description

Memory corruption while copying packets received from unix clients.

Scores

CVSS	Score	Vector	Source
3.1	7.8 High	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H	qualcomm

Weaknesses

CWE-120 Buffer Copy Without Checking Size of Input ('Classic Buffer Overflow')

Affected Products

Product	Versions
SnapdragonQualcomm, Inc.	AR8031Affected AR8035Affected CSRA6620Affected CSRA6640Affected FastConnect 6200Affected FastConnect 6700Affected FastConnect 6900Affected FastConnect 7800Affected QAM8255PAffected QAM8650PAffected QAM8775PAffected QAMSRV1HAffected QAMSRV1MAffected QCA2066Affected QCA6174AAffected QCA6391Affected QCA6574Affected QCA6574AAffected QCA6574AUAffected QCA6595AUAffected QCA6696Affected QCA8081Affected QCA8337Affected QCM5430Affected QCM6125Affected and 90 more versions

Product

Versions

SnapdragonQualcomm, Inc.

AR8031Affected
AR8035Affected
CSRA6620Affected
CSRA6640Affected
FastConnect 6200Affected
FastConnect 6700Affected
FastConnect 6900Affected
FastConnect 7800Affected
QAM8255PAffected
QAM8650PAffected
QAM8775PAffected
QAMSRV1HAffected
QAMSRV1MAffected
QCA2066Affected
QCA6174AAffected
QCA6391Affected
QCA6574Affected
QCA6574AAffected
QCA6574AUAffected
QCA6595AUAffected
QCA6696Affected
QCA8081Affected
QCA8337Affected
QCM5430Affected
QCM6125Affected
and 90 more versions

References

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

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