CVE-2020-3703: Qualcomm APQ8053 Firmware

Critical severity, CVSS 9.8. EPSS: 0.7% chance of exploitation in the next 30 days.

u'Buffer over-read issue in Bluetooth peripheral firmware due to lack of check for invalid opcode and length of opcode received from central device(This CVE is equivalent to Link Layer Length Overfow issue (CVE-2019-16336,CVE-2019-17519) and Silent Length Overflow issue(CVE-2019-17518) mentioned in sweyntooth paper)' in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer Electronics Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon IoT, Snapdragon Mobile, Snapdragon Voice & Music in APQ8053, APQ8076, AR9344, Bitra, Kamorta, MDM9206, MDM9207C, MDM9607, MSM8905, MSM8917, MSM8937, MSM8940, MSM8953, Nicobar, QCA6174A, QCA9377, QCM2150, QCM6125, QCS404, QCS405, QCS605, QCS610, QM215, Rennell, SC8180X, SDM429, SDM439, SDM450, SDM630, SDM632, SDM636, SDM660, SDM670, SDM710, SDM845, SDX20, SDX24, SM6150, SM7150, SM8150, SXR1130

Affected products

• Qualcomm APQ8053 Firmware: affected versions not specified
• Qualcomm APQ8076 Firmware: affected versions not specified
• Qualcomm AR9344 Firmware: affected versions not specified
• Qualcomm Bitra Firmware: affected versions not specified
• Qualcomm Kamorta Firmware: affected versions not specified
• Qualcomm MDM9206 Firmware: affected versions not specified
• Qualcomm MDM9207C Firmware: affected versions not specified
• Qualcomm MDM9607 Firmware: affected versions not specified
• Qualcomm MSM8905 Firmware: affected versions not specified
• Qualcomm MSM8917 Firmware: affected versions not specified
• Qualcomm MSM8937 Firmware: affected versions not specified
• Qualcomm MSM8940 Firmware: affected versions not specified
• Qualcomm MSM8953 Firmware: affected versions not specified
• Qualcomm Nicobar Firmware: affected versions not specified
• Qualcomm QCA6174A Firmware: affected versions not specified
• Qualcomm QCA9377 Firmware: affected versions not specified
• Qualcomm QCM2150 Firmware: affected versions not specified
• Qualcomm QCM6125 Firmware: affected versions not specified
• Qualcomm QCS404 Firmware: affected versions not specified
• Qualcomm QCS405 Firmware: affected versions not specified
• Qualcomm QCS605 Firmware: affected versions not specified
• Qualcomm QCS610 Firmware: affected versions not specified
• Qualcomm QM215 Firmware: affected versions not specified
• Qualcomm Rennell Firmware: affected versions not specified
• Qualcomm SC8180X Firmware: affected versions not specified
• and 16 more

Published 2020-11-02. Last modified 2026-06-17.