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Vulnerability record · CVE-2023-21667 · published 5 September 2023

CVE-2023-21667: Qualcomm qca6390 firmware out-of-bounds read vulnerability

Qualcomm · Qca6390 Firmware

Transient DOS in Bluetooth HOST while passing descriptor to validate the blacklisted BT keyboard.

6.5 CVSS 3.1 Medium EPSS 0.37% · top 71.2% CWE-126 · CWE-126CWE-125 · Out-of-bounds read
6.5CVSS 3.1 base score
0.37%EPSS exploitation probability, 30 days
NoNot in CISA KEV
43Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

Transient DOS in Bluetooth HOST while passing descriptor to validate the blacklisted BT keyboard.

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

Affected products

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

References

LinkTags
https://www.qualcomm.com/company/product-security/bulletins/september-2023-bulletin PatchVendor Advisory
https://www.qualcomm.com/company/product-security/bulletins/september-2023-bulletin PatchVendor Advisory

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

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Source: NIST National Vulnerability Database (record CVE-2023-21667), CISA KEV, FIRST EPSS (scores of 2026-10-07). This page is refreshed as NVD updates the record.