CVE-2021-47745

HIGH

Cypress Solutions CTM-200 2.7.1 - Command Injection

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2021-47745. PoCs published by LiquidWorm.

AI-analyzed exploit summary This exploit demonstrates an authenticated OS command injection vulnerability in Cypress Solutions CTM-200 2.7.1. The vulnerability is exploited via the 'fw_url' POST parameter in the 'ctm-config-upgrade.sh' script, which passes user-controlled input to the 'wget' command executed as root.

Description

Cypress Solutions CTM-200 2.7.1 contains an authenticated command injection vulnerability in the firmware upgrade script that allows remote attackers to execute shell commands. Attackers can exploit the 'fw_url' parameter in the ctm-config-upgrade.sh script to inject and execute arbitrary commands with root privileges.

Exploits (1)

exploitdb WORKING POC
by LiquidWorm · textremotehardware
https://www.exploit-db.com/exploits/50408

This exploit demonstrates an authenticated OS command injection vulnerability in Cypress Solutions CTM-200 2.7.1. The vulnerability is exploited via the 'fw_url' POST parameter in the 'ctm-config-upgrade.sh' script, which passes user-controlled input to the 'wget' command executed as root.

Classification
Working Poc 100%
Attack Type
Rce
Complexity
Trivial
Reliability
Reliable
Target: Cypress Solutions CTM-200 2.7.1
Auth required
Prerequisites: Authentication credentials · Network access to the target device
devstral-2 · analyzed Feb 18, 2026 Full analysis →

References (4)

Core 4
Core References
Exploit, Third Party Advisory exploit
https://www.exploit-db.com/exploits/50408
Various Sources product
https://www.cypress.bc.ca
Third Party Advisory third-party-advisory
https://www.zeroscience.mk/en/vulnerabilities/ZSL-2021-5687.php

Scores

CVSS v3 8.8
EPSS 0.0119
EPSS Percentile 63.8%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact total

Details

CWE
CWE-78
Status published
Products (1)
Cypress/200 2.7.1
Published Dec 31, 2025
Tracked Since Feb 18, 2026