#VU107112 Buffer over-read in Qualcomm products - CVE-2025-21434


Vulnerability identifier: #VU107112

Vulnerability risk: Medium

CVSSv4.0: 6.6 [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/E:U/U:Green]

CVE-ID: CVE-2025-21434

CWE-ID: CWE-126

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
AR8035
Mobile applications / Mobile firmware & hardware
FastConnect 6700
Mobile applications / Mobile firmware & hardware
FastConnect 6900
Mobile applications / Mobile firmware & hardware
FastConnect 7800
Mobile applications / Mobile firmware & hardware
QAM8255P
Mobile applications / Mobile firmware & hardware
QAM8295P
Mobile applications / Mobile firmware & hardware
QAM8620P
Mobile applications / Mobile firmware & hardware
QAM8650P
Mobile applications / Mobile firmware & hardware
QAM8775P
Mobile applications / Mobile firmware & hardware
QAMSRV1H
Mobile applications / Mobile firmware & hardware
QAMSRV1M
Mobile applications / Mobile firmware & hardware
QCA6391
Mobile applications / Mobile firmware & hardware
QCA6554A
Mobile applications / Mobile firmware & hardware
QCA6564AU
Mobile applications / Mobile firmware & hardware
QCA6574
Mobile applications / Mobile firmware & hardware
QCA6574A
Mobile applications / Mobile firmware & hardware
QCA6584AU
Mobile applications / Mobile firmware & hardware
QCA6595
Mobile applications / Mobile firmware & hardware
QCA6595AU
Mobile applications / Mobile firmware & hardware
QCA6678AQ
Mobile applications / Mobile firmware & hardware
QCA6688AQ
Mobile applications / Mobile firmware & hardware
QCA6696
Mobile applications / Mobile firmware & hardware
QCA6698AQ
Mobile applications / Mobile firmware & hardware
QCA6777AQ
Mobile applications / Mobile firmware & hardware
QCA6787AQ
Mobile applications / Mobile firmware & hardware
QCA6797AQ
Mobile applications / Mobile firmware & hardware
QCA8081
Mobile applications / Mobile firmware & hardware
QCA8337
Mobile applications / Mobile firmware & hardware
QCC2073
Mobile applications / Mobile firmware & hardware
QCC2076
Mobile applications / Mobile firmware & hardware
QCC710
Mobile applications / Mobile firmware & hardware
QCM5430
Mobile applications / Mobile firmware & hardware
QCM6490
Mobile applications / Mobile firmware & hardware
QCM8550
Mobile applications / Mobile firmware & hardware
QCN6224
Mobile applications / Mobile firmware & hardware
QCN6274
Mobile applications / Mobile firmware & hardware
QCN9011
Mobile applications / Mobile firmware & hardware
QCN9012
Mobile applications / Mobile firmware & hardware
QCN9274
Mobile applications / Mobile firmware & hardware
QCS5430
Mobile applications / Mobile firmware & hardware
QCS615
Mobile applications / Mobile firmware & hardware
QCS6490
Mobile applications / Mobile firmware & hardware
QCS7230
Mobile applications / Mobile firmware & hardware
QCS8250
Mobile applications / Mobile firmware & hardware
QCS8300
Mobile applications / Mobile firmware & hardware
QCS8550
Mobile applications / Mobile firmware & hardware
QCS9100
Mobile applications / Mobile firmware & hardware
QFW7114
Mobile applications / Mobile firmware & hardware
QFW7124
Mobile applications / Mobile firmware & hardware
QMP1000
Mobile applications / Mobile firmware & hardware
Qualcomm® Video Collaboration VC3 Platform
Mobile applications / Mobile firmware & hardware
Qualcomm® Video Collaboration VC5 Platform
Mobile applications / Mobile firmware & hardware
SA7255P
Mobile applications / Mobile firmware & hardware
SA7775P
Mobile applications / Mobile firmware & hardware
SA8155P
Mobile applications / Mobile firmware & hardware
SA8195P
Mobile applications / Mobile firmware & hardware
SA8255P
Mobile applications / Mobile firmware & hardware
SA8295P
Mobile applications / Mobile firmware & hardware
SA8530P
Mobile applications / Mobile firmware & hardware
SA8650P
Mobile applications / Mobile firmware & hardware
SA8770P
Mobile applications / Mobile firmware & hardware
SA8775P
Mobile applications / Mobile firmware & hardware
SG8275P
Mobile applications / Mobile firmware & hardware
SM6650
Mobile applications / Mobile firmware & hardware
SM7635
Mobile applications / Mobile firmware & hardware
SM7675
Mobile applications / Mobile firmware & hardware
SM7675P
Mobile applications / Mobile firmware & hardware
SM8550P
Mobile applications / Mobile firmware & hardware
SM8635
Mobile applications / Mobile firmware & hardware
SM8635P
Mobile applications / Mobile firmware & hardware
SM8650Q
Mobile applications / Mobile firmware & hardware
SM8735
Mobile applications / Mobile firmware & hardware
SM8750
Mobile applications / Mobile firmware & hardware
SM8750P
Mobile applications / Mobile firmware & hardware
Snapdragon 8 Gen 2 Mobile Platform
Mobile applications / Mobile firmware & hardware
Snapdragon 8 Gen 3 Mobile Platform
Mobile applications / Mobile firmware & hardware
Snapdragon 8+ Gen 2 Mobile Platform
Mobile applications / Mobile firmware & hardware
Snapdragon AR1 Gen 1 Platform
Mobile applications / Mobile firmware & hardware
Snapdragon AR1 Gen 1 Platform "Luna1"
Mobile applications / Mobile firmware & hardware
Snapdragon AR2 Gen 1 Platform
Mobile applications / Mobile firmware & hardware
Snapdragon Auto 5G Modem-RF Gen 2
Mobile applications / Mobile firmware & hardware
Snapdragon X72 5G Modem-RF System
Mobile applications / Mobile firmware & hardware
Snapdragon X75 5G Modem-RF System
Mobile applications / Mobile firmware & hardware
SRV1H
Mobile applications / Mobile firmware & hardware
SRV1L
Mobile applications / Mobile firmware & hardware
SRV1M
Mobile applications / Mobile firmware & hardware
SSG2115P
Mobile applications / Mobile firmware & hardware
SSG2125P
Mobile applications / Mobile firmware & hardware
SXR1230P
Mobile applications / Mobile firmware & hardware
SXR2230P
Mobile applications / Mobile firmware & hardware
SXR2250P
Mobile applications / Mobile firmware & hardware
SXR2330P
Mobile applications / Mobile firmware & hardware
Vision Intelligence 400 Platform
Mobile applications / Mobile firmware & hardware
WCD9335
Mobile applications / Mobile firmware & hardware
WCD9340
Mobile applications / Mobile firmware & hardware
WCD9341
Mobile applications / Mobile firmware & hardware
WCD9370
Mobile applications / Mobile firmware & hardware
WCD9375
Mobile applications / Mobile firmware & hardware
WCD9378
Mobile applications / Mobile firmware & hardware
WCD9380
Mobile applications / Mobile firmware & hardware
WCD9385
Mobile applications / Mobile firmware & hardware
WCD9390
Mobile applications / Mobile firmware & hardware
WCD9395
Mobile applications / Mobile firmware & hardware
WCN3990
Mobile applications / Mobile firmware & hardware
WCN6650
Mobile applications / Mobile firmware & hardware
WCN6755
Mobile applications / Mobile firmware & hardware
WCN7750
Mobile applications / Mobile firmware & hardware
WCN7860
Mobile applications / Mobile firmware & hardware
WCN7861
Mobile applications / Mobile firmware & hardware
WCN7880
Mobile applications / Mobile firmware & hardware
WCN7881
Mobile applications / Mobile firmware & hardware
WSA8830
Mobile applications / Mobile firmware & hardware
WSA8835
Mobile applications / Mobile firmware & hardware
WSA8840
Mobile applications / Mobile firmware & hardware
WSA8845
Mobile applications / Mobile firmware & hardware
WSA8845H
Mobile applications / Mobile firmware & hardware
QCA6574AU
Hardware solutions / Firmware
SA6155P
Hardware solutions / Firmware
SA8540P
Hardware solutions / Firmware
SA8620P
Hardware solutions / Firmware
SA9000P
Hardware solutions / Firmware
WSA8832
Hardware solutions / Firmware

Vendor: Qualcomm

Description

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

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

Mitigation
Install security update from vendor's website.

Vulnerable software versions

AR8035: All versions

FastConnect 6700: All versions

FastConnect 6900: All versions

FastConnect 7800: All versions

QAM8255P: All versions

QAM8295P: All versions

QAM8620P: All versions

QAM8650P: All versions

QAM8775P: All versions

QAMSRV1H: All versions

QAMSRV1M: All versions

QCA6391: All versions

QCA6554A: All versions

QCA6564AU: All versions

QCA6574: All versions

QCA6574A: All versions

QCA6574AU: All versions

QCA6584AU: All versions

QCA6595: All versions

QCA6595AU: All versions

QCA6678AQ: All versions

QCA6688AQ: All versions

QCA6696: All versions

QCA6698AQ: All versions

QCA6777AQ: All versions

QCA6787AQ: All versions

QCA6797AQ: All versions

QCA8081: All versions

QCA8337: All versions

QCC2073: All versions

QCC2076: All versions

QCC710: All versions

QCM5430: All versions

QCM6490: All versions

QCM8550: All versions

QCN6224: All versions

QCN6274: All versions

QCN9011: All versions

QCN9012: All versions

QCN9274: All versions

QCS5430: All versions

QCS615: All versions

QCS6490: All versions

QCS7230: All versions

QCS8250: All versions

QCS8300: All versions

QCS8550: All versions

QCS9100: All versions

QFW7114: All versions

QFW7124: All versions

QMP1000: All versions

Qualcomm® Video Collaboration VC3 Platform: All versions

Qualcomm® Video Collaboration VC5 Platform: All versions

SA6155P: All versions

SA7255P: All versions

SA7775P: All versions

SA8155P: All versions

SA8195P: All versions

SA8255P: All versions

SA8295P: All versions

SA8530P: All versions

SA8540P: All versions

SA8620P: All versions

SA8650P: All versions

SA8770P: All versions

SA8775P: All versions

SA9000P: All versions

SG8275P: All versions

SM6650: All versions

SM7635: All versions

SM7675: All versions

SM7675P: All versions

SM8550P: All versions

SM8635: All versions

SM8635P: All versions

SM8650Q: All versions

SM8735: All versions

SM8750: All versions

SM8750P: All versions

Snapdragon 8 Gen 2 Mobile Platform: All versions

Snapdragon 8 Gen 3 Mobile Platform: All versions

Snapdragon 8+ Gen 2 Mobile Platform: All versions

Snapdragon AR1 Gen 1 Platform: All versions

Snapdragon AR1 Gen 1 Platform "Luna1": All versions

Snapdragon AR2 Gen 1 Platform: All versions

Snapdragon Auto 5G Modem-RF Gen 2: All versions

Snapdragon X72 5G Modem-RF System: All versions

Snapdragon X75 5G Modem-RF System: All versions

SRV1H: All versions

SRV1L: All versions

SRV1M: All versions

SSG2115P: All versions

SSG2125P: All versions

SXR1230P: All versions

SXR2230P: All versions

SXR2250P: All versions

SXR2330P: All versions

Vision Intelligence 400 Platform: All versions

WCD9335: All versions

WCD9340: All versions

WCD9341: All versions

WCD9370: All versions

WCD9375: All versions

WCD9378: All versions

WCD9380: All versions

WCD9385: All versions

WCD9390: All versions

WCD9395: All versions

WCN3990: All versions

WCN6650: All versions

WCN6755: All versions

WCN7750: All versions

WCN7860: All versions

WCN7861: All versions

WCN7880: All versions

WCN7881: All versions

WSA8830: All versions

WSA8832: All versions

WSA8835: All versions

WSA8840: All versions

WSA8845: All versions

WSA8845H: All versions


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


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.


Latest bulletins with this vulnerability