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Vulnerability record · CVE-2026-21383 · published 6 July 2026

CVE-2026-21383: Qualcomm fastconnect 6900 firmware vulnerability

Qualcomm · Fastconnect 6900 Firmware

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

7.1 CVSS 3.1 High EPSS 0.10% · top 99.2% CWE-323 · CWE-323
7.1CVSS 3.1 base score
0.10%EPSS exploitation probability, 30 days
NoNot in CISA KEV
53Affected product versions listed by NVD
1References
8 Jul 2026Last modified by NVD

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:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

Affected products

53 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://docs.qualcomm.com/product/publicresources/securitybulletin/july-2026-bulletin.html Vendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2026-21383), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.