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Vulnerability record · CVE-2020-3646 · published 8 September 2020

CVE-2020-3646: Qualcomm bitra firmware classic buffer overflow vulnerability

Qualcomm · Bitra Firmware

u'Buffer overflow seen as the destination buffer size is lesser than the source buffer size in video application' in Snapdragon Compute, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables in Bitra, MSM8909W, QCM2150, QCS405, QCS605, Saipan, SC8180X, SDA845, SDM429W, SDX24, SDX55, SM6150, SM7150, SM8150, SM8250, SXR2130

7.8 CVSS 3.1 High EPSS 0.21% · top 89.7% CWE-120 · Classic buffer overflow
7.8CVSS 3.1 base score, v2 4.6
0.21%EPSS exploitation probability, 30 days
NoNot in CISA KEV
16Affected product versions listed by NVD
3References
17 Jun 2026Last modified by NVD

Description

u'Buffer overflow seen as the destination buffer size is lesser than the source buffer size in video application' in Snapdragon Compute, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables in Bitra, MSM8909W, QCM2150, QCS405, QCS605, Saipan, SC8180X, SDA845, SDM429W, SDX24, SDX55, SM6150, SM7150, SM8150, SM8250, SXR2130

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

Affected products

16 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 Link
https://www.qualcomm.com/company/product-security/bulletins/august-2020-security-bulletin PatchVendor Advisory
https://www.qualcomm.com/company/product-security/bulletins/august-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-2020-3646), CISA KEV, FIRST EPSS (scores of 2026-10-01). This page is refreshed as NVD updates the record.