CVE-2021-1956: Qualcomm AQT1000 Firmware

Medium severity, CVSS 6.5. EPSS: 0.2% chance of exploitation in the next 30 days.

Improper handling of ASB-U packet with L2CAP channel ID by slave host can lead to interference with piconet in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer Electronics Connectivity, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music

Affected products

• Qualcomm AQT1000 Firmware: affected versions not specified
• Qualcomm AR8035 Firmware: affected versions not specified
• Qualcomm CSRB31024 Firmware: affected versions not specified
• Qualcomm QCA6175A Firmware: affected versions not specified
• Qualcomm QCA6390 Firmware: affected versions not specified
• Qualcomm QCA6391 Firmware: affected versions not specified
• Qualcomm QCA6420 Firmware: affected versions not specified
• Qualcomm QCA6430 Firmware: affected versions not specified
• Qualcomm QCA6564A Firmware: affected versions not specified
• Qualcomm QCA6564AU Firmware: affected versions not specified
• Qualcomm QCA6574 Firmware: affected versions not specified
• Qualcomm QCA6574A Firmware: affected versions not specified
• Qualcomm QCA6574AU Firmware: affected versions not specified
• Qualcomm QCA6584AU Firmware: affected versions not specified
• Qualcomm QCA6595 Firmware: affected versions not specified
• Qualcomm QCA6595AU Firmware: affected versions not specified
• Qualcomm QCA6696 Firmware: affected versions not specified
• Qualcomm QCA8337 Firmware: affected versions not specified
• Qualcomm QCN7605 Firmware: affected versions not specified
• Qualcomm QCN7606 Firmware: affected versions not specified
• Qualcomm QCX315 Firmware: affected versions not specified
• Qualcomm SA415M Firmware: affected versions not specified
• Qualcomm SA515M Firmware: affected versions not specified
• Qualcomm SA6145P Firmware: affected versions not specified
• Qualcomm SA6150P Firmware: affected versions not specified
• and 17 more

Published 2021-09-09. Last modified 2026-06-17.