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Vulnerability record · CVE-2020-3657 · published 2 November 2020

CVE-2020-3657: Qualcomm apq8009 firmware classic buffer overflow vulnerability

Qualcomm · Apq8009 Firmware

u'Remote code execution can happen by sending a carefully crafted POST query when Device configuration is accessed from a tethered client through webserver due to lack of array bound check.' in Snapdragon Auto, Snapdragon Compute, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables, Snapdragon Wired Infrastructure and Networking in APQ8009, APQ8017, APQ8053, APQ8096AU, APQ8098, IPQ4019, IPQ6018, IPQ8064, IPQ8074, MDM9150, MDM9206, MDM9207C, MDM9607, MDM9640, MDM9650, MSM8905, MSM8909W, MSM8953, MSM8996AU, QCA6574AU, QCS405, QCS610, QRB5165, SC8180X, SDA660, SDA845, SDM429, SDM429W, SDM630, SDM632, SDM636, SDM660, SDM845, SDX20, SDX24, SDX55, SM8250

9.8 CVSS 3.1 Critical EPSS 28% · top 1.9% CWE-120 · Classic buffer overflow
9.8CVSS 3.1 base score, v2 10.0
28%EPSS exploitation probability, 30 days
NoNot in CISA KEV
37Affected product versions listed by NVD
3References
17 Jun 2026Last modified by NVD

Description

u'Remote code execution can happen by sending a carefully crafted POST query when Device configuration is accessed from a tethered client through webserver due to lack of array bound check.' in Snapdragon Auto, Snapdragon Compute, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables, Snapdragon Wired Infrastructure and Networking in APQ8009, APQ8017, APQ8053, APQ8096AU, APQ8098, IPQ4019, IPQ6018, IPQ8064, IPQ8074, MDM9150, MDM9206, MDM9207C, MDM9607, MDM9640, MDM9650, MSM8905, MSM8909W, MSM8953, MSM8996AU, QCA6574AU, QCS405, QCS610, QRB5165, SC8180X, SDA660, SDA845, SDM429, SDM429W, SDM630, SDM632, SDM636, SDM660, SDM845, SDX20, SDX24, SDX55, SM8250

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

Affected products

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

References

LinkTags
https://www.qualcomm.com/company/product-security/bulletins/october-2020-bulletin Broken Link
https://www.qualcomm.com/company/product-security/bulletins/october-2020-security-bulletin Vendor Advisory
https://www.qualcomm.com/company/product-security/bulletins/october-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-2020-3657), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.