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Vulnerability record · CVE-2023-21646 · published 5 September 2023

CVE-2023-21646: Qualcomm ar8035 firmware vulnerability

Qualcomm · Ar8035 Firmware

Transient DOS in Modem while processing invalid System Information Block 1.

7.5 CVSS 3.1 High EPSS 0.38% · top 70.0% CWE-617 · CWE-617
7.5CVSS 3.1 base score
0.38%EPSS exploitation probability, 30 days
NoNot in CISA KEV
54Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

Transient DOS in Modem while processing invalid System Information Block 1.

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

Affected products

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

Track CVE-2023-21646 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

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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-2023-21646), CISA KEV, FIRST EPSS (scores of 2026-10-04). This page is refreshed as NVD updates the record.