CVE-2021-1939: Qualcomm APQ8009 Firmware

Medium severity, CVSS 5.5. EPSS: 0.1% chance of exploitation in the next 30 days.

Null pointer dereference occurs due to improper validation when the preemption feature enablement is toggled in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Wearables

Affected products

• Qualcomm APQ8009 Firmware: affected versions not specified
• Qualcomm APQ8009W Firmware: affected versions not specified
• Qualcomm APQ8017 Firmware: affected versions not specified
• Qualcomm APQ8053 Firmware: affected versions not specified
• Qualcomm AQT1000 Firmware: affected versions not specified
• Qualcomm MSM8909W Firmware: affected versions not specified
• Qualcomm MSM8917 Firmware: affected versions not specified
• Qualcomm MSM8953 Firmware: affected versions not specified
• Qualcomm QCA4020 Firmware: affected versions not specified
• Qualcomm QCA6174A Firmware: affected versions not specified
• Qualcomm QCA6310 Firmware: affected versions not specified
• Qualcomm QCA6335 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 QCA6421 Firmware: affected versions not specified
• Qualcomm QCA6426 Firmware: affected versions not specified
• Qualcomm QCA6430 Firmware: affected versions not specified
• Qualcomm QCA6431 Firmware: affected versions not specified
• Qualcomm QCA6436 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 QCA6595AU Firmware: affected versions not specified
• Qualcomm QCA6696 Firmware: affected versions not specified
• and 83 more

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