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Vulnerability record · CVE-2020-3668 · published 8 September 2020

CVE-2020-3668: Qualcomm ipq6018 firmware classic buffer overflow vulnerability

Qualcomm · Ipq6018 Firmware

u'Buffer overflow while parsing PMF enabled MCBC frames due to frame length being lesser than what is expected while parsing' 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 IPQ6018, IPQ8074, Kamorta, Nicobar, QCA6390, QCA8081, QCN7605, QCS404, QCS405, QCS605, Rennell, SA415M, SC7180, SC8180X, SDA845, SDM670, SDM710, SDM845, SDM850, SM6150, SM7150, SM8150, SXR1130

9.8 CVSS 3.1 Critical EPSS 1.1% · top 36.9% 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
23Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

u'Buffer overflow while parsing PMF enabled MCBC frames due to frame length being lesser than what is expected while parsing' 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 IPQ6018, IPQ8074, Kamorta, Nicobar, QCA6390, QCA8081, QCN7605, QCS404, QCS405, QCS605, Rennell, SA415M, SC7180, SC8180X, SDA845, SDM670, SDM710, SDM845, SDM850, SM6150, SM7150, SM8150, SXR1130

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

Affected products

23 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-2020-3668), CISA KEV, FIRST EPSS (scores of 2026-10-05). This page is refreshed as NVD updates the record.