CVE-2021-47745

Cypress Solutions CTM-200 2.7.1 Root Remote OS Command Injection via Firmware Upgrade

CVSS 8.6 HIGHEPSS 1.2%CWE-78

Vexday Risk Score

21Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 8.6EPSS 1.2%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

31 Dec 2025Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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.

CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Affected products

Cypress · 200

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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