CVE-2019-9835: Fujitsu GK900 Firmware

Critical severity, CVSS 9.6. EPSS: 0.6% chance of exploitation in the next 30 days.

The receiver (aka bridge) component of Fujitsu Wireless Keyboard Set LX901 GK900 devices allows Keystroke Injection. This occurs because it accepts unencrypted 2.4 GHz packets, even though all legitimate communication uses AES encryption.

Affected products

• Fujitsu GK900 Firmware: affected versions not specified
• Fujitsu LX901 Firmware: affected versions not specified

Published 2019-03-15. Last modified 2026-06-17.