CVE-2026-21373: Qualcomm AQT1000 Firmware

High severity, CVSS 7.8. EPSS: 0.1% chance of exploitation in the next 30 days.

Memory Corruption when accessing an output buffer without validating its size during IOCTL processing.

Affected products

  • Qualcomm AQT1000 Firmware: affected versions not specified
  • Qualcomm Cologne Firmware: affected versions not specified
  • Qualcomm Fastconnect 6200 Firmware: affected versions not specified
  • Qualcomm Fastconnect 6700 Firmware: affected versions not specified
  • Qualcomm Fastconnect 6800 Firmware: affected versions not specified
  • Qualcomm Fastconnect 6900 Firmware: affected versions not specified
  • Qualcomm Fastconnect 7800 Firmware: affected versions not specified
  • Qualcomm QCA0000 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 QCM5430 Firmware: affected versions not specified
  • Qualcomm QCM6490 Firmware: affected versions not specified
  • Qualcomm SC8380XP Firmware: affected versions not specified
  • Qualcomm SM6250 Firmware: affected versions not specified
  • Qualcomm Snapdragon 460 Mobile Platform Firmware: affected versions not specified
  • Qualcomm Snapdragon 662 Mobile Platform Firmware: affected versions not specified
  • Qualcomm Snapdragon 7c+ Gen 3 Compute Firmware: affected versions not specified
  • Qualcomm Snapdragon 7c Compute Platform Firmware: affected versions not specified
  • Qualcomm Snapdragon 7c Gen 2 Compute Platform Firmware: affected versions not specified
  • Qualcomm Snapdragon 8c Compute Platform (sc8180xp-Ad) Firmware: affected versions not specified
  • Qualcomm Snapdragon 8c Compute Platform Firmware: affected versions not specified
  • Qualcomm Snapdragon 8cx Compute Platform "poipu Pro" Firmware: affected versions not specified
  • Qualcomm Snapdragon 8cx Compute Platform Firmware: affected versions not specified
  • Qualcomm Snapdragon 8cx Gen 2 5g Compute Platform "poipu Pro" Firmware: affected versions not specified
  • and 29 more

Published 2026-04-06. Last modified 2026-06-17.