CVE-2019-18200
Because of the lack of proper encryption of 2.4 GHz communication, they are prone to keystroke injection attacks.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.76%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
An issue was discovered on Fujitsu Wireless Keyboard Set LX390 GK381 devices. Because of the lack of proper encryption of 2.4 GHz communication, they are prone to keystroke injection attacks.
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 2.76% probability · 86th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Affected
- fujitsu/lx390 firmware
- Source
- cve@mitre.org
EPSS 2.8% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- http://packetstormsecurity.com/files/154956/Fujitsu-Wireless-Keyboard-Set-LX390-Keystroke-Injection.htmlExploit, Third Party Advisory, VDB Entry
- https://www.syss.de/fileadmin/dokumente/Publikationen/Advisories/SYSS-2019-011.txtExploit, Third Party Advisory
- https://www.syss.de/pentest-blog/2019/syss-2019-009-syss-2019-010-und-syss-2019-011-schwachstellen-in-weiterer-funktastatur-mit-sicherer-24-ghz-technologie/Third Party Advisory
- http://packetstormsecurity.com/files/154956/Fujitsu-Wireless-Keyboard-Set-LX390-Keystroke-Injection.htmlExploit, Third Party Advisory, VDB Entry
- https://www.syss.de/fileadmin/dokumente/Publikationen/Advisories/SYSS-2019-011.txtExploit, Third Party Advisory
- https://www.syss.de/pentest-blog/2019/syss-2019-009-syss-2019-010-und-syss-2019-011-schwachstellen-in-weiterer-funktastatur-mit-sicherer-24-ghz-technologie/Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.