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Vulnerability record · CVE-2021-35134 · published 2 September 2022

CVE-2021-35134: Qualcomm qca6391 firmware vulnerability

Qualcomm · Qca6391 Firmware

Due to insufficient validation of ELF headers, an Incorrect Calculation of Buffer Size can occur in Boot leading to memory corruption in Snapdragon Connectivity, Snapdragon Industrial IOT, Snapdragon Mobile

8.4 CVSS 3.1 High EPSS 0.13% · top 97.8% CWE-131 · CWE-131
8.4CVSS 3.1 base score
0.13%EPSS exploitation probability, 30 days
NoNot in CISA KEV
30Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

Due to insufficient validation of ELF headers, an Incorrect Calculation of Buffer Size can occur in Boot leading to memory corruption in Snapdragon Connectivity, Snapdragon Industrial IOT, Snapdragon Mobile

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

Affected products

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

References

LinkTags
https://www.qualcomm.com/company/product-security/bulletins/august-2022-bulletin Vendor Advisory
https://www.qualcomm.com/company/product-security/bulletins/august-2022-bulletin Vendor 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-2021-35134), CISA KEV, FIRST EPSS (scores of 2026-10-12). This page is refreshed as NVD updates the record.