CVE-2025-47406: Buffer Over-read in DSP Service
Published May 4, 2026
·Updated
Information Disclosure while processing IOCTL handler callbacks without verifying buffer size.
Affected Software
62 affected components
All of the following
Qualcomm Cologne Firmware
Qualcomm Cologne
All of the following
Qualcomm Fastconnect 6700 Firmware
Qualcomm Fastconnect 6700
All of the following
Qualcomm Fastconnect 6900 Firmware
Qualcomm Fastconnect 6900
All of the following
Qualcomm Fastconnect 7800 Firmware
Qualcomm Fastconnect 7800
All of the following
Qualcomm Iqx5121 Firmware
Qualcomm Iqx5121
All of the following
Qualcomm Iqx7181 Firmware
Qualcomm Iqx7181
All of the following
Qualcomm Qca0000 Firmware
Qualcomm Qca0000
All of the following
Qualcomm Qcm5430 Firmware
Qualcomm Qcm5430
All of the following
Qualcomm Qcm6490 Firmware
Qualcomm Qcm6490
All of the following
Qualcomm Video Collaboration Vc3 Platform Firmware
Qualcomm Video Collaboration Vc3 Platform
All of the following
Qualcomm Sc8380xp Firmware
Qualcomm Sc8380xp
All of the following
Qualcomm Snapdragon 7c\+ Gen 3 Compute Firmware
Qualcomm Snapdragon 7c\+ Gen 3 Compute
All of the following
Qualcomm Snapdragon 8cx Gen 3 Compute Firmware
Qualcomm Snapdragon 8cx Gen 3 Compute
All of the following
Qualcomm Wcd9370 Firmware
Qualcomm Wcd9370
All of the following
Qualcomm Wcd9375 Firmware
Qualcomm Wcd9375
All of the following
Qualcomm Wcd9378c Firmware
Qualcomm Wcd9378c
All of the following
Qualcomm Wcd9380 Firmware
Qualcomm Wcd9380
All of the following
Qualcomm Wcd9385 Firmware
Qualcomm Wcd9385
All of the following
Qualcomm Wsa8830 Firmware
Qualcomm Wsa8830
All of the following
Qualcomm Wsa8835 Firmware
Qualcomm Wsa8835
All of the following
Qualcomm Wsa8840 Firmware
Qualcomm Wsa8840
All of the following
Qualcomm Wsa8845 Firmware
Qualcomm Wsa8845
All of the following
Qualcomm Wsa8845h Firmware
Qualcomm Wsa8845h
All of the following
Qualcomm X2000077 Firmware
Qualcomm X2000077
All of the following
Qualcomm X2000086 Firmware
Qualcomm X2000086
All of the following
Qualcomm X2000090 Firmware
Qualcomm X2000090
All of the following
Qualcomm X2000092 Firmware
Qualcomm X2000092
All of the following
Qualcomm X2000094 Firmware
Qualcomm X2000094
All of the following
Qualcomm Xg101002 Firmware
Qualcomm Xg101002
All of the following
Qualcomm Xg101032 Firmware
Qualcomm Xg101032
All of the following
Qualcomm Xg101039 Firmware
Qualcomm Xg101039
Event History
May 4, 2026
CVE Published
via MITRE·04:43 PM
Data Sourced
via MITRE·04:43 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·05:16 PM
DescriptionSeverityWeaknessAffected Software
Frequently Asked Questions
1
What is the severity of CVE-2025-47406?
CVE-2025-47406 has been classified as a high-severity vulnerability due to its potential for information disclosure.
2
How do I fix CVE-2025-47406?
To fix CVE-2025-47406, ensure you update to the latest Qualcomm firmware where this vulnerability has been addressed.
3
What causes CVE-2025-47406?
CVE-2025-47406 is caused by a buffer over-read in the DSP service due to the lack of buffer size verification during IOCTL handler callbacks.
4
Which products are affected by CVE-2025-47406?
CVE-2025-47406 affects several Qualcomm firmware products, including Qualcomm Cologne, Fastconnect, and Snapdragon firmware variants.
5
What kind of attack can exploit CVE-2025-47406?
CVE-2025-47406 can be exploited to disclose sensitive information through improperly handled IOCTL requests.