CVE-2023-1399: Keysight n6854a Firmware

Critical severity, CVSS 9.8. EPSS: 0.8% chance of exploitation in the next 30 days.

N6854A Geolocation Server versions 2.4.2 are vulnerable to untrusted data deserialization, which may allow a malicious actor to escalate privileges in the affected device’s default configuration and achieve remote code execution.

Affected products

• Keysight n6854a Firmware: up to and including 2.4.2

Published 2023-03-27. Last modified 2026-06-17.