Improper Validation of Array Index in Qualcomm products - CVE-2025-27034

Vulnerability identifier: #VU114635

CSH Severity: High

CVSS v4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2025-27034

CWE-ID: CWE-129

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote attacker to execute arbitrary code.

The vulnerability exists due to improper input validation in Multi-Mode Call Processor. A remote attacker can execute arbitrary code.

Snapdragon 8+ Gen 2 Mobile Platform
Snapdragon X75 5G Modem-RF System
Snapdragon X72 5G Modem-RF System
Snapdragon X70 Modem-RF System
Snapdragon X65 5G Modem-RF System
Snapdragon X62 5G Modem-RF System
Snapdragon X55 5G Modem-RF System
Snapdragon X35 5G Modem-RF System
Snapdragon Auto 5G Modem-RF Gen 2
Snapdragon Auto 5G Modem-RF
Snapdragon 888+ 5G Mobile Platform (SM8350-AC)
Snapdragon 888 5G Mobile Platform
Snapdragon 870 5G Mobile Platform (SM8250-AC)
Snapdragon 865+ 5G Mobile Platform (SM8250-AB)
Snapdragon 865 5G Mobile Platform
WCD9340
Snapdragon 8+ Gen 1 Mobile Platform
Snapdragon 8 Gen 3 Mobile Platform
Snapdragon 8 Gen 2 Mobile Platform
Snapdragon 8 Gen 1 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)
Snapdragon 765G 5G Mobile Platform (SM7250-AB)
Snapdragon 765 5G Mobile Platform (SM7250-AA)
Snapdragon 695 5G Mobile Platform
WCN6740
WSA8845H
WSA8845
WSA8840
WSA8835
WSA8830
WSA8815
WSA8810
WCN7881
WCN7880
WCN7861
WCN7860
WCN6755
Snapdragon 690 5G Mobile Platform
WCN6650
WCN6450
WCN3988
WCN3950
WCD9395
WCD9390
WCD9385
WCD9380
WCD9378
WCD9375
WCD9370
WCD9360
WCD9341
QCA8081
QCS6490
QCS5430
QCS4490
QCN9024
QCN6274
QCN6224
QCN6024
QCM8550
QCM6490
QCM5430
QCM4490
QCC710
QCA8337
QCS8550
QCA6698AQ
QCA6696
QCA6595AU
QCA6584AU
QCA6574A
QCA6391
FastConnect 7800
FastConnect 6900
FastConnect 6800
FastConnect 6700
FastConnect 6200
AR8035
SM7250P
Snapdragon 480+ 5G Mobile Platform (SM4350-AC)
Snapdragon 480 5G Mobile Platform
Snapdragon 4 Gen 1 Mobile Platform
SM8750P
SM8750
SM8650Q
SM8635P
SM8635
SM8550P
SM7675P
SM7675
SM7635
SM7325P
315 5G IoT Modem
SM6650
SM4635
SG8275P
SDX80M
SDX71M
SDX61
SDX57M
SD 8 Gen1 5G
Qualcomm Video Collaboration VC3 Platform
QFW7124
QFW7114
QEP8111
Samsung Mobile Firmware
WSA8832
QCA6174A
SDX55
Google Android

Install security update from vendor's website.

Samsung Mobile Firmware - update to SMR-SEP-2025
Google Android - addressed in versions 13 2025-09-05, 14 2025-09-05, 15 2025-09-05, 16 2025-09-05

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

• Multiple vulnerabilities in Qualcomm chipsets (September 2025)
• Multiple vulnerabilities in Google Android
• Multiple vulnerabilities in Samsung Mobile Firmware (September 2025)