Medium severity · published May 4, 2026
CVE-2025-47406
Buffer Over-read in DSP Service
5.5
CVSS
0.1%
EPSS
No
On KEV
Description
Information Disclosure while processing IOCTL handler callbacks without verifying buffer size.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.1% · higher than 0% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SN
Snapdragon · Qualcomm, Inc.
Cologne; FastConnect 6700; FastConnect 6900; FastConnect 7800; IQX5121; IQX7181; +25 more · source: vendor
CF
Cologne Firmware · Qualcomm
All versions, or not specified · source: NVD
F6
Fastconnect 6700 Firmware · Qualcomm
All versions, or not specified · source: NVD
F6
Fastconnect 6900 Firmware · Qualcomm
All versions, or not specified · source: NVD
F7
Fastconnect 7800 Firmware · Qualcomm
All versions, or not specified · source: NVD
IF
Iqx5121 Firmware · Qualcomm
All versions, or not specified · source: NVD
IF
Iqx7181 Firmware · Qualcomm
All versions, or not specified · source: NVD
QF
Qca0000 Firmware · Qualcomm
All versions, or not specified · source: NVD
QF
Qcm5430 Firmware · Qualcomm
All versions, or not specified · source: NVD
QF
Qcm6490 Firmware · Qualcomm
All versions, or not specified · source: NVD
SF
Sc8380xp Firmware · Qualcomm
All versions, or not specified · source: NVD
S7
Snapdragon 7c+ Gen 3 Compute Firmware · Qualcomm
All versions, or not specified · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-47406
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-47406
Vendor Advisory
https://docs.qualcomm.com/product/publicresources/securitybulletin/may-2026-bulletin.html
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