Improper neutralization of special elements used in an OS command ('OS Command Injection') issue exists in Contec CAN 2.0B Communication Wireless LAN / USB Converter Unit. If this vulnerability is exploited, an arbitrary OS command may be executed by an attacker who can log in to the product.

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.

The EPSS score is 0.01023.

Exploitation none

Automatable no

Technical Impact total

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
Contec Co., Ltd. CAN-2-WF unaffected
Version Status Constraints
0 affected < 2.20
Contec Co., Ltd. CAN-2-USB unaffected
Version Status Constraints
0 affected < 2.20

No data.

No data.

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Vendors Products
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Project Subscriptions

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Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://jvn.jp/en/vu/JVNVU90314828/ cve-icon cve-icon
https://www.contec.com/api/downloadlogger?download=/-/media/Contec/support/security-info/2026/contec_security_ph_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 can-2-usb
Contec can-2-wf
Vendors & Products Contec
Contec can-2-usb
Contec can-2-wf

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

Type Values Removed Values Added
Title OS Command Injection Vulnerability in Contec CAN 2.0B Converter Unit

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

Type Values Removed Values Added
Title OS Command Injection in Contec CAN‑2‑USB/WF Converter Allowing Remote Command Execution

Mon, 14 Sep 2026 13:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

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

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

Type Values Removed Values Added
Title OS Command Injection in Contec CAN‑2‑USB/WF Converter Allowing Remote Command Execution

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 CAN 2.0B Communication Wireless LAN / USB Converter Unit. 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'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: jpcert

Published:

Updated: 2026-09-14T12:07:55.617Z

Reserved: 2026-08-31T02:30:58.279Z

Link: CVE-2026-82791

cve-icon Vulnrichment

Updated: 2026-09-14T12:07:50.467Z

cve-icon NVD

Status : Deferred

Published: 2026-09-14T07:17:21.203

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

Link: CVE-2026-82791

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-17T19:45:40Z

Weaknesses