Reachable Assertion in Qualcomm products - CVE-2025-21452

Vulnerability identifier: #VU114624

CSH Severity: Medium

CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2025-21452

CWE-ID: CWE-617

Exploitation vector: Remote access

Exploit availability: No public exploit available

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

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

Snapdragon 865+ 5G Mobile Platform (SM8250-AB)
WCD9340
Snapdragon XR2 5G Platform
Snapdragon X55 5G Modem-RF System
Snapdragon X35 5G Modem-RF System
Snapdragon Auto 5G Modem-RF
Snapdragon 888+ 5G Mobile Platform (SM8350-AC)
Snapdragon 888 5G Mobile Platform
Snapdragon 870 5G Mobile Platform (SM8250-AC)
WCD9341
Snapdragon 865 5G Mobile Platform
Snapdragon 855+/860 Mobile Platform (SM8150-AC)
Snapdragon 855 Mobile Platform
Snapdragon 7c+ Gen 3 Compute
Snapdragon 782G Mobile Platform (SM7325-AF)
Snapdragon 780G 5G Mobile Platform
Snapdragon 778G+ 5G Mobile Platform (SM7325-AE)
Snapdragon 778G 5G Mobile Platform
Snapdragon 768G 5G Mobile Platform (SM7250-AC)
WCN6650
WSA8835
WSA8830
WSA8815
WSA8810
WCN7881
WCN7861
WCN6755
WCN6740
Snapdragon 765G 5G Mobile Platform (SM7250-AB)
WCN6450
WCN3988
WCD9395
WCD9385
WCD9380
WCD9378
WCD9375
WCD9370
WCD9360
QCA6426
QCM5430
QCA8337
QCA6698AQ
QCA6696
QCA6595AU
QCA6574A
QCA6436
QCA6431
QCM6490
QCA6421
QCA6391
FSM10055
FastConnect 6900
FastConnect 6800
FastConnect 6700
FastConnect 6200
AR8035
SM6650
Snapdragon 765 5G Mobile Platform (SM7250-AA)
Snapdragon 695 5G Mobile Platform
Snapdragon 690 5G Mobile Platform
Snapdragon 480+ 5G Mobile Platform (SM4350-AC)
Snapdragon 480 5G Mobile Platform
Snapdragon 4 Gen 1 Mobile Platform
SM7635
SM7325P
SM7250P
315 5G IoT Modem
SM6370
SDX57M
SD865 5G
Qualcomm Video Collaboration VC3 Platform
QEP8111
QCS6490
QCS5430
SXR2130
WSA8832
QCA6574AU
QCA6174A
SDX55
SD855

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)