CVE-2026-21383
Reusing a Nonce, Key Pair in Encryption in HLOS
Cryptographic Issue when using a static initialization vector for AES-GCM key wrapping, which requires a unique value for each call to ensure security.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
Reusing a Nonce, Key Pair in Encryption in HLOS
Cryptographic Issue when using a static initialization vector for AES-GCM key wrapping, which requires a unique value for each call to ensure security.
- Record
CVE-2026-21383- CVSS 3.1
- 7.1 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N - Weakness
- CWE-323
- Updated
- 2026-11-02
EUVDEUVD-2026-41930
Cryptographic Issue when using a static initialization vector for AES-GCM key wrapping, which requires a unique value for each call to ensure security.
- Record
EUVD-2026-41930- CVSS 3.1
- 7.1 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-3p8m-mr3f-jqg6
Cryptographic Issue when using a static initialization vector for AES-GCM key wrapping, which...
Cryptographic Issue when using a static initialization vector for AES-GCM key wrapping, which requires a unique value for each call to ensure security.
- Record
GHSA-3p8m-mr3f-jqg6- CVSS 3.1
- 7.1 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N - Weakness
- CWE-323
- Updated
- 2026-11-02
NVD
Cryptographic Issue when using a static initialization vector for AES-GCM key wrapping, which requires a unique value for each call to ensure security.
- Record
CVE-2026-21383- CVSS 3.1
- 7.1 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N - Weakness
- CWE-323
- Updated
- 2026-11-02
Affected products
- qualcomm fastconnect 6900 firmware
- qualcomm fastconnect 7800 firmware
- qualcomm lemans au lgit firmware
- qualcomm lemansau firmware
- qualcomm pandeiro firmware
- qualcomm qam8255p firmware
- qualcomm qam8397p firmware
- qualcomm qam8797p firmware
- qualcomm qamsrv1h firmware
- qualcomm qamsrv1m firmware
- qualcomm qca6595au firmware
- qualcomm qca6696 firmware
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- qualcomm qca6698aq firmware
- qualcomm qca6797aq firmware
- qualcomm qca8695au firmware
- qualcomm qdu1000 firmware
- qualcomm qdu1110 firmware
- qualcomm qdu1210 firmware
- qualcomm qdx1010 firmware
- qualcomm qdx1011 firmware
- qualcomm qln1083bd firmware
- qualcomm qln1086bd firmware
- qualcomm qpa1083bd firmware
- qualcomm qpa1086bd firmware
- qualcomm dragonwing x100 accelerator card firmware
- qualcomm qxm1093 firmware
- qualcomm qxm1094 firmware
- qualcomm qxm1095 firmware
- qualcomm qxm1096 firmware
- qualcomm sa7255p firmware
- qualcomm sa7775p firmware
- qualcomm sa8255p firmware
- qualcomm sa8620p firmware
- qualcomm sa8770p firmware
- qualcomm sa9000p firmware
- qualcomm sar1165p firmware
- qualcomm sar2130p firmware
- qualcomm snapdragon ar1\+ gen 1 platform firmware
- qualcomm snapdragon ar1 gen 1 platform firmware
- qualcomm srv1h firmware
- qualcomm srv1m firmware
- qualcomm sxr2230p firmware
- qualcomm sxr2250p firmware
- qualcomm wcd9380 firmware
- qualcomm wcd9385 firmware
- qualcomm wcn3950 firmware
- qualcomm wcn7860 firmware
- qualcomm wcn7861 firmware
- qualcomm wsa8830 firmware
- qualcomm wsa8832 firmware
- qualcomm wsa8835 firmware
- qualcomm xrv7209 firmware
- qualcomm xrv9209 firmware
- qualcomm, inc. snapdragon
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-21383 is a high vulnerability (CVSS 7.1) in Qualcomm Fastconnect 6900 Firmware, published July 6, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.10%, the 0th percentile. No source names a fixed version.