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Vulnerability record · CVE-2021-30275 · published 3 January 2022

CVE-2021-30275: Qualcomm ar8031 firmware integer overflow vulnerability

Qualcomm · Ar8031 Firmware

Possible integer overflow in page alignment interface due to lack of address and size validation before alignment in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Voice & Music, Snapdragon Wired Infrastructure and Networking

7.8 CVSS 3.1 High EPSS 0.15% · top 95.8% CWE-190 · Integer overflow
7.8CVSS 3.1 base score, v2 7.2
0.15%EPSS exploitation probability, 30 days
NoNot in CISA KEV
127Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

Possible integer overflow in page alignment interface due to lack of address and size validation before alignment in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Voice & Music, Snapdragon Wired Infrastructure and Networking

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

Affected products

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

References

LinkTags
https://www.qualcomm.com/company/product-security/bulletins/december-2021-bulletin Vendor Advisory
https://www.qualcomm.com/company/product-security/bulletins/december-2021-bulletin Vendor Advisory

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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-2021-30275), CISA KEV, FIRST EPSS (scores of 2026-10-17). This page is refreshed as NVD updates the record.