Out-of-bounds write in Qualcomm products - CVE-2025-21461

Vulnerability identifier: #VU114631

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-2025-21461

CWE-ID: CWE-787

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 Camera_Linux. A local application can execute arbitrary code.

WCD9378
WSA8845H
WSA8845
WSA8840
WSA8835
WSA8830
WCN6755
WCN6650
WCD9395
WCD9390
WCD9380
FastConnect 6900
WCD9375
WCD9370
Snapdragon 8 Gen 3 Mobile Platform
Snapdragon 8 Gen 1 Mobile Platform
SM8635P
SM8635
SM7675P
SM7675
SM7635
SM6650
FastConnect 7800
WSA8832

Install security update from vendor's website.

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

• Multiple vulnerabilities in Qualcomm chipsets (August 2025)