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HIGH · 7.8

CVE-2025-21439

Memory corruption may occur while reading board data via IOCTL call when the WLAN driver copies the content to the provided output buffer.

Vulnerability Description

Memory corruption may occur while reading board data via IOCTL call when the WLAN driver copies the content to the provided output 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
QualcommFastconnect 6700 Firmware-
QualcommFastconnect 6700-
QualcommFastconnect 6900 Firmware-
QualcommFastconnect 6900-
QualcommQca6595Au Firmware-
QualcommQca6595Au-
QualcommQcm5430 Firmware-
QualcommQcm5430-
QualcommQcm6490 Firmware-
QualcommQcm6490-
QualcommQcn7605 Firmware-
QualcommQcn7605-
QualcommQcn7606 Firmware-
QualcommQcn7606-
QualcommQcs5430 Firmware-
QualcommQcs5430-
QualcommQcs6490 Firmware-
QualcommQcs6490-
QualcommVideo Collaboration Vc3 Platform Firmware-
QualcommVideo Collaboration Vc3 Platform-

Related Weaknesses (CWE)

CWE-787

References

FAQ

What is CVE-2025-21439?

CVE-2025-21439 is a vulnerability with a CVSS score of 7.8 (HIGH). Memory corruption may occur while reading board data via IOCTL call when the WLAN driver copies the content to the provided output buffer.

How severe is CVE-2025-21439?

CVE-2025-21439 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-2025-21439?

Check the references section above for vendor advisories and patch information. Affected products include: Qualcomm Fastconnect 6700 Firmware, Qualcomm Fastconnect 6700, Qualcomm Fastconnect 6900 Firmware, Qualcomm Fastconnect 6900, Qualcomm Qca6595Au Firmware.