HIGH · 7.8

CVE-2025-21468

Memory corruption while reading response from FW, when buffer size is changed by FW while driver is using this size to write null character at the end of buffer.

Vulnerability Description

Memory corruption while reading response from FW, when buffer size is changed by FW while driver is using this size to write null character at the end of buffer.

CVSS Score

7.8

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Affected Products

VendorProductVersions
QualcommAr8035 Firmware-
QualcommAr8035-
QualcommCsra6620 Firmware-
QualcommCsra6620-
QualcommCsra6640 Firmware-
QualcommCsra6640-
QualcommFastconnect 6200 Firmware-
QualcommFastconnect 6200-
QualcommFastconnect 6700 Firmware-
QualcommFastconnect 6700-
QualcommWcd9380 Firmware-
QualcommWcd9380-
QualcommWcd9385 Firmware-
QualcommWcd9385-
QualcommWcd9390 Firmware-
QualcommWcd9390-
QualcommWcd9395 Firmware-
QualcommWcd9395-
QualcommWcn3910 Firmware-
QualcommWcn3910-

Related Weaknesses (CWE)

References

FAQ

What is CVE-2025-21468?

CVE-2025-21468 is a vulnerability with a CVSS score of 7.8 (HIGH). Memory corruption while reading response from FW, when buffer size is changed by FW while driver is using this size to write null character at the end of buffer.

How severe is CVE-2025-21468?

CVE-2025-21468 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2025-21468?

Check the references section above for vendor advisories and patch information. Affected products include: Qualcomm Ar8035 Firmware, Qualcomm Ar8035, Qualcomm Csra6620 Firmware, Qualcomm Csra6620, Qualcomm Csra6640 Firmware.