#VU121053 Buffer overflow in Qualcomm products - CVE-2025-47388

Vulnerability identifier: #VU121053

Vulnerability risk: Low

CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear

CVE-ID: CVE-2025-47388

CWE-ID: CWE-120

Exploitation vector: Local access

Exploit availability: No public exploit available

Vulnerable software:
FastConnect 6200
FastConnect 6700
FastConnect 6900
FastConnect 7800
QCS610
QMP1000
Qualcomm Video Collaboration VC1 Platform
Qualcomm Video Collaboration VC3 Platform
SG6150
SG6150P
SM6475
SM7435
SM8735
SM8750
SM8750P
Snapdragon 4 Gen 2 Mobile Platform
Snapdragon 6 Gen 1 Mobile Platform
Snapdragon W5+ Gen 1 Wearable Platform
SW5100
SW5100P
SXR2330P
SXR2350P
WCD9370
WCD9375
WCD9378
WCD9380
WCD9385
WCD9395
WCN3950
WCN3980
WCN3988
WCN6755
WCN7750
WCN7860
WCN7861
WCN7880
WCN7881
WSA8810
WSA8815
WSA8830
WSA8835
WSA8840
WSA8845
WSA8845H
WSA8832

Software vendor:
Qualcomm

The vulnerability allows a local application to execute arbitrary code.

The vulnerability exists due to improper input validation in DSP Service. A local application can execute arbitrary code.

Install security update from vendor's website.

• https://docs.qualcomm.com/securitybulletin/january-2026-bulletin.html