High severity · published Sep 24, 2025
CVE-2025-21476
Memory corruption when passing parameters to the Trusted Virtual Machine during the handshake
7.8
CVSS
0.1%
EPSS
No
On KEV
Description
Memory corruption when passing parameters to the Trusted Virtual Machine during the handshake.
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
QF
Qca6391 Firmware · Qualcomm
All versions, or not specified · source: NVD
QF
Qca6698aq 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
QF
Qcm8550 Firmware · Qualcomm
All versions, or not specified · source: NVD
QF
Qcn9011 Firmware · Qualcomm
All versions, or not specified · source: NVD
QF
Qcn9012 Firmware · Qualcomm
All versions, or not specified · source: NVD
QF
Qcn9274 Firmware · Qualcomm
All versions, or not specified · source: NVD
QF
Qcs5430 Firmware · Qualcomm
All versions, or not specified · source: NVD
QF
Qcs615 Firmware · Qualcomm
All versions, or not specified · source: NVD
QF
Qcs6490 Firmware · Qualcomm
All versions, or not specified · source: NVD
QF
Qcs8550 Firmware · Qualcomm
All versions, or not specified · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-21476
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-21476
Vendor Advisory
https://docs.qualcomm.com/product/publicresources/securitybulletin/september-2025-bulletin.html
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