Vulnerability · Published Dec 31, 2025 · Assigned by VulnCheck
CVE-2021-47745Cypress Solutions CTM-200 2.7.1 Root Remote OS Command Injection via Firmware Upgrade
High 8.8
In plain English
A high-severity OS command injection in 200 from Cypress. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 1.3% (higher than 71% of all known vulnerabilities).
Severity (CVSS 3.1)8.8High
Exploit odds (30 days)1.3%top 28.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official 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 (as reported)
Weakness: CWE-78 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
References
- ExploitDB-50408 exploit
- Cypress Solutions Product Homepage product
- Zero Science Lab Disclosure (ZSL-2021-5687) third-party-advisory
- VulnCheck Advisory: Cypress Solutions CTM-200 2.7.1 Root Remote OS Command Injection via Firmware Upgrade third-party-advisory