---
id: CVE-2026-82791
title: >-
  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
summary: >-
  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 b…
severity: high
cvss: 8.8
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'
cwe:
  - CWE-78
vendor: 'Contec Co., Ltd.'
product: CAN-2-WF
affected:
  - CAN-2-WF < 2.20
  - CAN-2-USB < 2.20
published: '2026-09-14'
updated: '2026-09-16'
sourceUpdated: '2026-09-16T19:27:25.623'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-82791'
references:
  - url: 'https://jvn.jp/en/vu/JVNVU90314828/'
    label: vultures@jpcert.or.jp
  - url: >-
      https://www.contec.com/api/downloadlogger?download=/-/media/Contec/support/security-info/2026/contec_security_ph_26091000_en.pdf
    label: vultures@jpcert.or.jp
tags:
  - nvd
  - cve.org
epss: 0.01868
epssPercentile: 0.78466
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: total
  timestamp: '2026-09-14T12:07:44.065201Z'
ingestedAt: '2026-09-14T15:23:07.433Z'
---

## Overview

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.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.