CVE-2021-47745

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

Published Dec 31, 2025 CVSS 4.0 · 8.6 High EPSS 1.3% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
CPEs cpe:2.3:o:trendnet:tn-200_firmware:2.7.1:*:*:*:*:*:*:*
Vendors & Products Trendnet
Trendnet tn-200 Firmware
Type Values Removed Values Added
First Time appeared Trendnet
Trendnet tn-200 Firmware
CPEs cpe:2.3:o:trendnet:tn-200_firmware:2.7.1:*:*:*:*:*:*:*
Vendors & Products Trendnet
Trendnet tn-200 Firmware
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Cypress
Cypress ctm-200
Vendors & Products Cypress
Cypress ctm-200
Type Values Removed Values Added
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.
Title Cypress Solutions CTM-200 2.7.1 Root Remote OS Command Injection via Firmware Upgrade
Weaknesses CWE-78
References
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}

cvssV4_0

{'score': 8.6, 'vector': '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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulnCheck
Published
Updated
Mar 5, 2026, 2:31 PM
Reserved
Dec 31, 2025, 2:09 AM
Status
Deferred
Published
Dec 31, 2025, 7:15 PM
Modified
Jun 17, 2026, 4:18 AM