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Vulnerability record · CVE-2023-28540 · published 3 October 2023

CVE-2023-28540: Qualcomm 315 5g iot modem firmware improper authentication vulnerability

Qualcomm · 315 5g Iot Modem Firmware

Cryptographic issue in Data Modem due to improper authentication during TLS handshake.

7.5 CVSS 3.1 High EPSS 0.43% · top 64.8% CWE-287 · Improper authentication
7.5CVSS 3.1 base score
0.43%EPSS exploitation probability, 30 days
NoNot in CISA KEV
150Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

Cryptographic issue in Data Modem due to improper authentication during TLS handshake.

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

Affected products

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

References

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

Track CVE-2023-28540 inside VULONE

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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-2023-28540), CISA KEV, FIRST EPSS (scores of 2026-10-06). This page is refreshed as NVD updates the record.