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MEDIUM · 5.3

CVE-2026-21384

Memory Corruption when updating prepared commands with invalid port indices based on user space input exceeds supported read client limits.

Vulnerability Description

Memory Corruption when updating prepared commands with invalid port indices based on user space input exceeds supported read client limits.

CVSS Score

5.3

MEDIUM

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

Affected Products

VendorProductVersions
QualcommFastconnect 6700 Firmware-
QualcommFastconnect 6700-
QualcommFastconnect 6900 Firmware-
QualcommFastconnect 6900-
QualcommFastconnect 7800 Firmware-
QualcommFastconnect 7800-
QualcommLemans Au Lgit Firmware-
QualcommLemans Au Lgit-
QualcommLemansau Firmware-
QualcommLemansau-
QualcommNetrani Firmware-
QualcommNetrani-
QualcommPandeiro Firmware-
QualcommPandeiro-
QualcommQam8255P Firmware-
QualcommQam8255P-
QualcommQamsrv1H Firmware-
QualcommQamsrv1H-
QualcommQamsrv1M Firmware-
QualcommQamsrv1M-

Related Weaknesses (CWE)

CWE-787

References

FAQ

What is CVE-2026-21384?

CVE-2026-21384 is a vulnerability with a CVSS score of 5.3 (MEDIUM). Memory Corruption when updating prepared commands with invalid port indices based on user space input exceeds supported read client limits.

How severe is CVE-2026-21384?

CVE-2026-21384 has been rated MEDIUM with a CVSS base score of 5.3/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-21384?

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 Fastconnect 7800 Firmware.