CVE-2021-1920: Qualcomm APQ8009 Firmware

Critical severity, CVSS 9.8. EPSS: 0.8% chance of exploitation in the next 30 days.

Integer underflow can occur due to improper handling of incoming RTCP packets in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon IoT, Snapdragon Voice & Music, 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 APQ8037 Firmware: affected versions not specified
• Qualcomm APQ8053 Firmware: affected versions not specified
• Qualcomm APQ8084 Firmware: affected versions not specified
• Qualcomm APQ8096AU Firmware: affected versions not specified
• Qualcomm AQT1000 Firmware: affected versions not specified
• Qualcomm AR6003 Firmware: affected versions not specified
• Qualcomm CSR6030 Firmware: affected versions not specified
• Qualcomm CSRB31024 Firmware: affected versions not specified
• Qualcomm MDM8207 Firmware: affected versions not specified
• Qualcomm MDM8215 Firmware: affected versions not specified
• Qualcomm MDM8215M Firmware: affected versions not specified
• Qualcomm MDM8615M Firmware: affected versions not specified
• Qualcomm MDM9150 Firmware: affected versions not specified
• Qualcomm MDM9205 Firmware: affected versions not specified
• Qualcomm MDM9206 Firmware: affected versions not specified
• Qualcomm MDM9207 Firmware: affected versions not specified
• Qualcomm MDM9215 Firmware: affected versions not specified
• Qualcomm MDM9230 Firmware: affected versions not specified
• Qualcomm MDM9250 Firmware: affected versions not specified
• Qualcomm MDM9310 Firmware: affected versions not specified
• Qualcomm MDM9330 Firmware: affected versions not specified
• Qualcomm MDM9607 Firmware: affected versions not specified
• and 146 more

Published 2021-09-08. Last modified 2026-06-17.