What’s Vulnerable › Vulnerabilities

CVE-2021-47745: Cypress Solutions CTM-200 2.7.1 Root Remote OS Command Injection via Firmware Upgrade

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-12-31 · updated 2026-06-17
• Weakness: CWE-78

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.

Affected products

• Cypress 200: 2.7.1

References

• https://www.cypress.bc.ca
• https://www.exploit-db.com/exploits/50408
• https://www.vulncheck.com/advisories/cypress-solutions-ctm-root-remote-os-command-injection-via-firmware-upgrade
• https://www.zeroscience.mk/en/vulnerabilities/ZSL-2021-5687.php

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