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Vulnerability record · CVE-2018-18473 · published 21 March 2019

CVE-2018-18473: Patlite nbm-d88n firmware hard-coded credentials vulnerability

Patlite · Nbm D88n Firmware

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.

9.8 CVSS 3.0 Critical EPSS 5.6% · top 7.3% CWE-798 · Hard-coded credentials
9.8CVSS 3.0 base score, v2 10.0
5.6%EPSS exploitation probability, 30 days
NoNot in CISA KEV
3Affected product versions listed by NVD
4References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

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.

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

3 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://herolab.usd.de/wp-content/uploads/sites/4/usd20180020.txt ExploitThird Party Advisory
https://www.patlite.com/support/Security_Informationtest.html
https://herolab.usd.de/wp-content/uploads/sites/4/usd20180020.txt ExploitThird Party Advisory
https://www.patlite.com/support/Security_Informationtest.html

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2018-18473), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.