CVE-2023-21640: Qualcomm Fastconnect 6900 Firmware

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

Memory corruption in Linux when the file upload API is called with parameters having large buffer.

Affected products

• Qualcomm Fastconnect 6900 Firmware: affected versions not specified
• Qualcomm Fastconnect 7800 Firmware: affected versions not specified
• Qualcomm Snapdragon 8 Gen 1 Firmware: affected versions not specified
• Qualcomm WCD9380 Firmware: affected versions not specified
• Qualcomm WSA8830 Firmware: affected versions not specified
• Qualcomm WSA8835 Firmware: affected versions not specified

Published 2023-07-04. Last modified 2026-06-17.