CVE-2018-20220

HIGH

Teracue ENC-400 <2.56 - Info Disclosure

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2018-20220. PoCs published by Stephen Shkardoon.

AI-analyzed exploit summary The document describes multiple vulnerabilities in Teracue ENC-400 firmware v2.56 or below, including command injection (CVE-2018-20218), hard-coded authentication token (CVE-2018-20219), and missing authentication on sensitive endpoints (CVE-2018-20220). It details exploitation methods and incomplete vendor fixes.

Description

An issue was discovered on Teracue ENC-400 devices with firmware 2.56 and below. While the web interface requires authentication before it can be interacted with, a large portion of the HTTP endpoints are missing authentication. An attacker is able to view these pages before being authenticated, and some of these pages may disclose sensitive information.

Exploits (1)

exploitdb WRITEUP
by Stephen Shkardoon · textwebappshardware
https://www.exploit-db.com/exploits/46451

The document describes multiple vulnerabilities in Teracue ENC-400 firmware v2.56 or below, including command injection (CVE-2018-20218), hard-coded authentication token (CVE-2018-20219), and missing authentication on sensitive endpoints (CVE-2018-20220). It details exploitation methods and incomplete vendor fixes.

Classification
Writeup 100%
Attack Type
Rce | Auth Bypass | Info Leak
Complexity
Trivial
Reliability
Reliable
Target: Teracue ENC-400 firmware v2.56 or below
No auth needed
Prerequisites: Network access to the device · HTTP interface exposed
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (3)

Core 3
Core References
Mailing List, Third Party Advisory x_refsource_misc
http://seclists.org/fulldisclosure/2019/Feb/48
Not Applicable x_refsource_misc
https://zxsecurity.co.nz/research.html

Scores

CVSS v3 7.5
EPSS 0.1536
EPSS Percentile 96.4%
Attack Vector NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Details

CWE
CWE-306
Status published
Products (3)
teracue/enc-400_hdmi2_firmware < 2.56
teracue/enc-400_hdmi_firmware < 2.56
teracue/enc-400_hdsdi_firmware < 2.56
Published Mar 21, 2019
Tracked Since Feb 18, 2026