Improper neutralization of special elements used in an OS command ('OS Command Injection') issue exists in Contec FX5000 series, FX4000 series, and FX3000 series. If this vulnerability is exploited, an arbitrary OS command may be executed by an attacker who can log in to the product.

Metrics

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact High

Vulnerable System Integrity Impact High

Vulnerable System Availability Impact High

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploitation none

Automatable no

Technical Impact total

Affected Vendors & Products

Vendors Products
Contec
  • Fxa3000
  • Fxa3020
  • Fxa3200
  • Fxa5000
  • Fxa5020
  • Fxe3000
  • Fxe3000-wp
  • Fxe4000
  • Fxe4000-wp
  • Fxe5000
  • Fxs300-cn
  • Fxs4000
  • Fxs4020
  • Fxs5021

No data.

No data.

References
Link Providers
https://jvn.jp/en/vu/JVNVU99009004/ cve-icon cve-icon
https://www.contec.com/api/downloadlogger?download=/-/media/Contec/support/security-info/2026/contec_security_fl_26091000_en.pdf cve-icon cve-icon
History

Thu, 17 Sep 2026 20:30:00 +0000

Type Values Removed Values Added
First Time appeared Contec
Contec fxa3000
Contec fxa3020
Contec fxa3200
Contec fxa5000
Contec fxa5020
Contec fxe3000
Contec fxe3000-wp
Contec fxe4000
Contec fxe4000-wp
Contec fxe5000
Contec fxs300-cn
Contec fxs4000
Contec fxs4020
Contec fxs5021
Vendors & Products Contec
Contec fxa3000
Contec fxa3020
Contec fxa3200
Contec fxa5000
Contec fxa5020
Contec fxe3000
Contec fxe3000-wp
Contec fxe4000
Contec fxe4000-wp
Contec fxe5000
Contec fxs300-cn
Contec fxs4000
Contec fxs4020
Contec fxs5021

Tue, 15 Sep 2026 16:15:00 +0000

Type Values Removed Values Added
Title OS Command Injection in Contec FX Series Devices

Mon, 14 Sep 2026 21:00:00 +0000

Type Values Removed Values Added
Title OS Command Injection in Contec FX Series Devices

Mon, 14 Sep 2026 12:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Mon, 14 Sep 2026 11:15:00 +0000

Type Values Removed Values Added
Title OS Command Injection in Contec FX Series Devices

Mon, 14 Sep 2026 07:00:00 +0000

Type Values Removed Values Added
Description Improper neutralization of special elements used in an OS command ('OS Command Injection') issue exists in Contec FX5000 series, FX4000 series, and FX3000 series. If this vulnerability is exploited, an arbitrary OS command may be executed by an attacker who can log in to the product.
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': 8.7, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}
cve-icon MITRE

Status: PUBLISHED

Assigner: jpcert

Published: 2026-09-14T06:36:14.795Z

Updated: 2026-09-14T11:19:50.358Z

Reserved: 2026-08-31T02:30:58.276Z

Link: CVE-2026-82762

cve-icon Vulnrichment

Updated: 2026-09-14T11:14:43.683Z

cve-icon NVD

Status : Deferred

Published: 2026-09-14T07:17:17.040

Modified: 2026-09-16T19:27:25.623

Link: CVE-2026-82762

cve-icon Redhat

No data.