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Vulnerability record · CVE-2021-1962 · published 9 September 2021

CVE-2021-1962: Qualcomm aqt1000 firmware classic buffer overflow vulnerability

Qualcomm · Aqt1000 Firmware

Buffer Overflow while processing IOCTL for getting peripheral endpoint information there is no proper validation for input maximum endpoint pair and its size in Snapdragon Auto, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Wearables, Snapdragon Wired Infrastructure and Networking

6.7 CVSS 3.1 Medium EPSS 0.15% · top 96.2% CWE-120 · Classic buffer overflow
6.7CVSS 3.1 base score, v2 4.6
0.15%EPSS exploitation probability, 30 days
NoNot in CISA KEV
84Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

Buffer Overflow while processing IOCTL for getting peripheral endpoint information there is no proper validation for input maximum endpoint pair and its size in Snapdragon Auto, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Wearables, Snapdragon Wired Infrastructure and Networking

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

Affected products

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

References

LinkTags
https://www.qualcomm.com/company/product-security/bulletins/september-2021-bulletin PatchVendor Advisory
https://www.qualcomm.com/company/product-security/bulletins/september-2021-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-2021-1962), CISA KEV, FIRST EPSS (scores of 2026-10-06). This page is refreshed as NVD updates the record.