CVE-2019-9835

CVE-2019-9835 is a critical-severity vulnerability in Fujitsu Lx901 Firmware with a CVSS 3.x base score of 9.6. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

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.

Frequently asked questions

What is CVE-2019-9835?
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.
How severe is CVE-2019-9835?
CVE-2019-9835 has a CVSS 3.x base score of 9.6, rated critical severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2019-9835 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (45th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-9835?
CVE-2019-9835 primarily affects Fujitsu Lx901 Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2019-9835?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2019-9835 published?
CVE-2019-9835 was published on 2019-03-15 and last updated on 2026-06-17.

References

Affected products (2)