CVE-2019-6527: Kunbus PR100088 Modbus Gateway Firmware

Critical severity, CVSS 9.8. EPSS: 1.2% chance of exploitation in the next 30 days.

PR100088 Modbus gateway versions prior to Release R02 (or Software Version 1.1.13166) may allow an attacker to be able to change the password for an admin user who is currently or previously logged in, provided the device has not been restarted.

Affected products

  • Kunbus PR100088 Modbus Gateway Firmware: before r02 (fixed in r02)

Published 2019-02-12. Last modified 2026-06-17.