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Vulnerability record · CVE-2020-3666 · published 8 September 2020

CVE-2020-3666: Qualcomm apq8009 firmware out-of-bounds write vulnerability

Qualcomm · Apq8009 Firmware

u'Out of bounds memory access during memory copy while processing Host command' in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer Electronics Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wired Infrastructure and Networking in APQ8009, APQ8017, APQ8053, APQ8096AU, APQ8098, IPQ4019, IPQ6018, IPQ8064, IPQ8074, MDM9206, MDM9207C, MDM9607, MDM9640, MDM9650, MSM8996AU, MSM8998, QCA6174A, QCA6574, QCA6574AU, QCA6584AU, QCA8081, QCA9377, QCA9379, QCA9531, QCA9558, QCA9563, QCA9880, QCA9886, QCA9980, QCN5500, QCN5502, QCS404, QCS405, QCS605, SA6155P, SDA845, SDM630, SDM636, SDM660, SDM670, SDM710, SDM845, SDM850, SDX20, SDX24, SXR1130

7.8 CVSS 3.1 High EPSS 0.21% · top 89.6% CWE-787 · Out-of-bounds write
7.8CVSS 3.1 base score, v2 7.2
0.21%EPSS exploitation probability, 30 days
NoNot in CISA KEV
46Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

u'Out of bounds memory access during memory copy while processing Host command' in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer Electronics Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wired Infrastructure and Networking in APQ8009, APQ8017, APQ8053, APQ8096AU, APQ8098, IPQ4019, IPQ6018, IPQ8064, IPQ8074, MDM9206, MDM9207C, MDM9607, MDM9640, MDM9650, MSM8996AU, MSM8998, QCA6174A, QCA6574, QCA6574AU, QCA6584AU, QCA8081, QCA9377, QCA9379, QCA9531, QCA9558, QCA9563, QCA9880, QCA9886, QCA9980, QCN5500, QCN5502, QCS404, QCS405, QCS605, SA6155P, SDA845, SDM630, SDM636, SDM660, SDM670, SDM710, SDM845, SDM850, SDX20, SDX24, SXR1130

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

Affected products

46 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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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2020-3666), CISA KEV, FIRST EPSS (scores of 2026-10-04). This page is refreshed as NVD updates the record.