CVE-2025-21462: Qualcomm Fastconnect 6900 Firmware

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

Memory corruption while processing an IOCTL request, when buffer significantly exceeds the command argument limit.

Affected products

• Qualcomm Fastconnect 6900 Firmware: affected versions not specified
• Qualcomm Fastconnect 7800 Firmware: affected versions not specified
• Qualcomm SA4150P Firmware: affected versions not specified
• Qualcomm SA4155P Firmware: affected versions not specified
• Qualcomm SA6155P Firmware: affected versions not specified
• Qualcomm SA8155P Firmware: affected versions not specified
• Qualcomm SA8195P Firmware: affected versions not specified
• Qualcomm SC8380XP Firmware: affected versions not specified
• Qualcomm WCD9380 Firmware: affected versions not specified
• Qualcomm WCD9385 Firmware: affected versions not specified
• Qualcomm WSA8840 Firmware: affected versions not specified
• Qualcomm WSA8845 Firmware: affected versions not specified
• Qualcomm WSA8845H Firmware: affected versions not specified

Published 2025-05-06. Last modified 2026-06-17.