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Vulnerability record · CVE-2020-3699 · published 30 July 2020

CVE-2020-3699: Qualcomm apq8009 firmware classic buffer overflow vulnerability

Qualcomm · Apq8009 Firmware

Possible out of bound access while processing assoc response from host due to improper length check before copying into buffer in Snapdragon Auto, Snapdragon Compute, Snapdragon Consumer Electronics Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables in APQ8009, APQ8017, APQ8053, APQ8096AU, MDM9206, MDM9207C, MDM9607, MDM9640, MDM9650, MSM8905, MSM8909W, MSM8917, MSM8920, MSM8937, MSM8940, MSM8953, MSM8996AU, Nicobar, QCA6174A, QCA6574AU, QCA9377, QCA9379, QCM2150, QCN7605, QCS405, QCS605, QM215, SA6155P, Saipan, SC8180X, SDA845, SDM429, SDM429W, SDM439, SDM450, SDM630, SDM632, SDM636, SDM660, SDM845, SDX20, SDX55, SM6150, SM7150, SM8150, SM8250, SXR2130

9.8 CVSS 3.1 Critical EPSS 0.92% · top 41.0% CWE-120 · Classic buffer overflow
9.8CVSS 3.1 base score, v2 7.5
0.92%EPSS exploitation probability, 30 days
NoNot in CISA KEV
47Affected product versions listed by NVD
3References
17 Jun 2026Last modified by NVD

Description

Possible out of bound access while processing assoc response from host due to improper length check before copying into buffer in Snapdragon Auto, Snapdragon Compute, Snapdragon Consumer Electronics Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables in APQ8009, APQ8017, APQ8053, APQ8096AU, MDM9206, MDM9207C, MDM9607, MDM9640, MDM9650, MSM8905, MSM8909W, MSM8917, MSM8920, MSM8937, MSM8940, MSM8953, MSM8996AU, Nicobar, QCA6174A, QCA6574AU, QCA9377, QCA9379, QCM2150, QCN7605, QCS405, QCS605, QM215, SA6155P, Saipan, SC8180X, SDA845, SDM429, SDM429W, SDM439, SDM450, SDM630, SDM632, SDM636, SDM660, SDM845, SDX20, SDX55, SM6150, SM7150, SM8150, SM8250, SXR2130

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

Affected products

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

References

LinkTags
https://www.qualcomm.com/company/product-security/bulletins/july-2020-bulletin Broken Link
https://www.qualcomm.com/company/product-security/bulletins/july-2020-security-bulletin PatchVendor Advisory
https://www.qualcomm.com/company/product-security/bulletins/july-2020-bulletin Broken Link

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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-2020-3699), CISA KEV, FIRST EPSS (scores of 2026-10-04). This page is refreshed as NVD updates the record.