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Vulnerability record · CVE-2018-20218 · published 21 March 2019

CVE-2018-20218: Teracue enc-400 hdmi firmware os command injection vulnerability

Teracue · Enc 400 Hdmi Firmware

An issue was discovered on Teracue ENC-400 devices with firmware 2.56 and below. The login form passes user input directly to a shell command without any kind of escaping or validation in /usr/share/www/check.lp file. An attacker is able to perform command injection using the "password" parameter in the login form.

9.8 CVSS 3.0 Critical EPSS 11% · top 4.3% CWE-78 · OS command injection
9.8CVSS 3.0 base score, v2 10.0
11%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

An issue was discovered on Teracue ENC-400 devices with firmware 2.56 and below. The login form passes user input directly to a shell command without any kind of escaping or validation in /usr/share/www/check.lp file. An attacker is able to perform command injection using the "password" parameter in the login form.

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
http://seclists.org/fulldisclosure/2019/Feb/48 ExploitMailing ListThird Party Advisory
https://zxsecurity.co.nz/research.html Not Applicable
http://seclists.org/fulldisclosure/2019/Feb/48 ExploitMailing ListThird Party Advisory
https://zxsecurity.co.nz/research.html Not Applicable

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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-2018-20218), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.