High severity8.8NVD Advisory· Published Dec 31, 2025· Updated Jun 17, 2026

CVE-2021-47745

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.

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LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Cypress/CTM-200llm-fuzzy
Range: =2.7.1
Cypress Solutions/CTM-200llm-fuzzy
Range: =2.7.1

Patches

Vulnerability mechanics

References

www.cypress.bc.canvd
www.exploit-db.com/exploits/50408nvd
www.vulncheck.com/advisories/cypress-solutions-ctm-root-remote-os-command-injection-via-firmware-upgradenvd
www.zeroscience.mk/en/vulnerabilities/ZSL-2021-5687.phpnvd

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