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Vulnerability record · CVE-2020-3667 · published 8 September 2020

CVE-2020-3667: Qualcomm apq8098 firmware classic buffer overflow vulnerability

Qualcomm · Apq8098 Firmware

u'Buffer Overflow in mic calculation for WPA due to copying data into buffer without validating the length of buffer' in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wired Infrastructure and Networking in APQ8098, IPQ5018, IPQ6018, IPQ8074, Kamorta, MSM8998, Nicobar, QCA6390, QCA8081, QCS404, QCS405, QCS605, Rennell, SA415M, Saipan, SC7180, SC8180X, SDA845, SDM630, SDM636, SDM660, SDM670, SDM710, SDM845, SDM850, SM6150, SM7150, SM8150, SM8250, SXR1130

9.8 CVSS 3.1 Critical EPSS 1.1% · top 36.1% CWE-120 · Classic buffer overflow
9.8CVSS 3.1 base score, v2 10.0
1.1%EPSS exploitation probability, 30 days
NoNot in CISA KEV
30Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

u'Buffer Overflow in mic calculation for WPA due to copying data into buffer without validating the length of buffer' in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wired Infrastructure and Networking in APQ8098, IPQ5018, IPQ6018, IPQ8074, Kamorta, MSM8998, Nicobar, QCA6390, QCA8081, QCS404, QCS405, QCS605, Rennell, SA415M, Saipan, SC7180, SC8180X, SDA845, SDM630, SDM636, SDM660, SDM670, SDM710, SDM845, SDM850, SM6150, SM7150, SM8150, SM8250, SXR1130

CVSS:3.1/AV:N/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-2020-bulletin Broken LinkVendor Advisory
https://www.qualcomm.com/company/product-security/bulletins/august-2020-bulletin Broken LinkVendor 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-2020-3667), CISA KEV, FIRST EPSS (scores of 2026-10-11). This page is refreshed as NVD updates the record.