#VU122281 Buffer over-read in Qualcomm products - CVE-2025-47402

Vulnerability identifier: #VU122281

Vulnerability risk: Medium

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

CVE-ID: CVE-2025-47402

CWE-ID: CWE-126

Exploitation vector: Adjecent network

Exploit availability: No public exploit available

Vulnerable software:
AR8035
Cologne
FastConnect 6900
FastConnect 7800
FWA Gen 3 Ultra Platform
LeMans_AU_LGIT
LeMansAU
Orne
Palawan25
QAM8255P
QAMSRV1H
QAMSRV1M
QCA6391
QCA6554A
QCA6564AU
QCA6574
QCA6574A
QCA6584AU
QCA6595
QCA6595AU
QCA6678AQ
QCA6688AQ
QCA6696
QCA6698AQ
QCA6698AU
QCA6777AQ
QCA6787AQ
QCA6797AQ
QCA8081
QCA8337
QCC2073
QCC2076
QCC710
QCN6224
QCN6274
QCN9011
QCN9012
QCS8550
QFW7114
QFW7124
QMP1000
SA7255P
SA7775P
SA8255P
SA8770P
SAR2130P
SM7675
SM7675P
SM8635
SM8635P
SM8650Q
SM8750P
Snapdragon 8 Elite
Snapdragon 8 Gen 3 Mobile Platform
Snapdragon Auto 5G Modem-RF Gen 2
Snapdragon X72 5G Modem-RF System
Snapdragon X75 5G Modem-RF System
SRV1H
SRV1M
SSG2115P
SSG2125P
SXR1230P
SXR2250P
WCD9340
WCD9370
WCD9375
WCD9378
WCD9378C
WCD9380
WCD9385
WCD9390
WCD9395
WCN6755
WCN7860
WCN7861
WCN7880
WCN7881
WSA8830
WSA8835
WSA8840
WSA8845
WSA8845H
X2000077
X2000086
X2000090
X2000092
X2000094
XG101002
XG101032
XG101039
QCA6574AU
SA8620P
SA9000P
WSA8832

Software vendor:
Qualcomm

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to improper input validation in WLAN Firmware. A remote attacker can perform a denial of service (DoS) attack.

Install security update from vendor's website.

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