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CVE-2026-21383

Reusing a Nonce, Key Pair in Encryption in HLOS

Published: Jul 6, 2026Updated: Jul 8, 2026 Sources: CVE List NVDCWE-323
7.1HIGH
NVD MITRE
EPSS Score
0.1%
Top 100.0%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
Not available

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.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:LAC:LPR:LUI:NS:UC:HI:HA:N
Exploitability
AV:LAttack Vector
Local
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:NAvailability
None
Open in CVSS calculator →

Weaknesses

CWE-323

Affected Products

qualcomm
commercial·USaka qualcomm, inc., qualcomm inc, qualcomm incorporated
fastconnect 6900 firmware
Hardware Firmware
fastconnect 7800 firmware
Hardware Firmware
lemans au lgit firmware
Hardware Firmware
lemansau firmware
Hardware Firmware
pandeiro firmware
Hardware Firmware
qam8255p firmware
Hardware Firmware
qam8397p firmware
Hardware Firmware
qam8797p firmware
Hardware Firmware
Qualcomm, Inc.
commercial·USaka qualcomm
Snapdragon
Hardware Firmware
and 45 more affected products View all →

Exploitability

Official Patch Available
Is your org exposed to CVE-2026-21383?We can run the check for you — a free external exposure review, no install. Check my exposure

References

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

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