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HIGH · 7.1

CVE-2026-21383

Cryptographic Issue when using a static initialization vector for AES-GCM key wrapping, which requires a unique value for each call to ensure security.

Vulnerability Description

Cryptographic Issue when using a static initialization vector for AES-GCM key wrapping, which requires a unique value for each call to ensure security.

CVSS Score

7.1

HIGH

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

Affected Products

VendorProductVersions
QualcommFastconnect 6900 Firmware-
QualcommFastconnect 6900-
QualcommFastconnect 7800 Firmware-
QualcommFastconnect 7800-
QualcommLemans Au Lgit Firmware-
QualcommLemans Au Lgit-
QualcommLemansau Firmware-
QualcommLemansau-
QualcommPandeiro Firmware-
QualcommPandeiro-
QualcommQam8255P Firmware-
QualcommQam8255P-
QualcommQam8397P Firmware-
QualcommQam8397P-
QualcommQam8797P Firmware-
QualcommQam8797P-
QualcommQamsrv1H Firmware-
QualcommQamsrv1H-
QualcommQamsrv1M Firmware-
QualcommQamsrv1M-

Related Weaknesses (CWE)

CWE-323

References

FAQ

What is CVE-2026-21383?

CVE-2026-21383 is a vulnerability with a CVSS score of 7.1 (HIGH). Cryptographic Issue when using a static initialization vector for AES-GCM key wrapping, which requires a unique value for each call to ensure security.

How severe is CVE-2026-21383?

CVE-2026-21383 has been rated HIGH with a CVSS base score of 7.1/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-21383?

Check the references section above for vendor advisories and patch information. Affected products include: Qualcomm Fastconnect 6900 Firmware, Qualcomm Fastconnect 6900, Qualcomm Fastconnect 7800 Firmware, Qualcomm Fastconnect 7800, Qualcomm Lemans Au Lgit Firmware.