Out-of-bounds read in Qualcomm products - CVE-2025-21438

Vulnerability identifier: #VU107100

CSH Severity: Low

CVSS v4: 8.5 [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]

CVE-ID: CVE-2025-21438

CWE-ID: CWE-125

Exploitation vector: Local access

Exploit availability: No public exploit available

The vulnerability allows a local application to execute arbitrary code.

The vulnerability exists due to improper input validation in Windows WLAN Host. A local application can execute arbitrary code.

Snapdragon 8cx Gen 3 Compute Platform (SC8280XP-AB
Snapdragon 8c Compute Platform (SC8180X-AD) "Poipu Lite"
Snapdragon 8c Compute Platform (SC8180XP-AD) "Poipu Lite"
Snapdragon 8cx Compute Platform (SC8180X-AA
AB)
Snapdragon 8cx Compute Platform (SC8180XP-AC
AF) "Poipu Pro"
Snapdragon 8cx Gen 2 5G Compute Platform (SC8180X-AC
Snapdragon 8cx Gen 2 5G Compute Platform (SC8180XP-AA
Snapdragon 7c+ Gen 3 Compute
BB)
WCD9370
WCD9375
WCD9380
WCD9385
WSA8830
WSA8835
WSA8840
WSA8845
WSA8845H
FastConnect 6700
FastConnect 6900
FastConnect 7800
QCA6164
QCA6174
QCA6595AU
QCM5430
QCM6490
FastConnect 6200
QCN7606
QCS5430
QCS6490
Qualcomm Video Collaboration VC3 Platform
SC8180X+SDX55
SC8380XP
SM6250
Snapdragon 7c Compute Platform (SC7180-AC)
Snapdragon 7c Gen 2 Compute Platform (SC7180-AD) "Rennell Pro"
QCN7605
QCA6174A
QCA9377

Install security update from vendor's website.

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

• Multiple vulnerabilities in Qualcomm chipsets