High severity · published Jan 7, 2026
CVE-2025-47356
Memory Corruption when multiple threads concurrently access and modify shared resources
7.8
CVSS
0.1%
EPSS
No
On KEV
Description
Memory Corruption when multiple threads concurrently access and modify shared resources.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
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
CF
Cologne 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
QF
Qca0000 Firmware · Qualcomm
All versions, or not specified · source: NVD
SF
Sc8380xp Firmware · Qualcomm
All versions, or not specified · source: NVD
WF
Wcd9378c Firmware · Qualcomm
All versions, or not specified · source: NVD
WF
Wcd9380 Firmware · Qualcomm
All versions, or not specified · source: NVD
WF
Wcd9385 Firmware · Qualcomm
All versions, or not specified · source: NVD
WF
Wsa8840 Firmware · Qualcomm
All versions, or not specified · source: NVD
WF
Wsa8845 Firmware · Qualcomm
All versions, or not specified · source: NVD
WF
Wsa8845h Firmware · Qualcomm
All versions, or not specified · source: NVD
XF
X2000077 Firmware · Qualcomm
All versions, or not specified · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-47356
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-47356
Vendor Advisory
https://docs.qualcomm.com/product/publicresources/securitybulletin/january-2026-bulletin.html
More from Cologne Firmware
9.6
CVE-2026-25289
Stack-based Buffer Overflow in WLAN Firmware
8.8
CVE-2026-25283
Stack-based Buffer Overflow in OOBM
7.9
CVE-2026-25282
Out-of-bounds Read in OOBM
7.8
CVE-2026-57559
Use After Free in DSP_Services
7.8
CVE-2026-57555
Use After Free in DSP Service