CVE-2018-18473: Patlite Nbm-d88n Firmware

Critical severity, CVSS 9.8. EPSS: 5.6% chance of exploitation in the next 30 days.

A hidden backdoor on PATLITE NH-FB Series devices with firmware version 1.45 or earlier, NH-FV Series devices with firmware version 1.10 or earlier, and NBM Series devices with firmware version 1.09 or earlier allow attackers to enable an SSH daemon via the "kankichi" or "kamiyo4" password to the _secret1.htm URI. Subsequently, the default password of root for the root account allows an attacker to conduct remote code execution and as a result take over the system.

Affected products

• Patlite Nbm-d88n Firmware: affected versions not specified
• Patlite Nhl-3fb1 Firmware: affected versions not specified
• Patlite Nhl-3fv1n Firmware: affected versions not specified

Published 2019-03-21. Last modified 2026-06-17.