---
title: "CVE-2026-82791: Contec CAN 2.0B Communication Wireless LAN / USB Converter Unit - OS Command Injection"
description: "Contec CAN 2.0B Communication Wireless LAN / USB Converter Unit contains an OS command injection caused by improper neutralization of special elements in OS commands, letting logged-in attackers execute arbitrary OS commands."
url: https://panop.io/threat-heartbeat/CVE-2026-82791/
---

# CVE-2026-82791 Contec CAN 2.0B Communication Wireless LAN / USB Converter Unit - OS Command Injection

Contec CAN 2.0B Communication Wireless LAN / USB Converter Unit contains an OS command injection caused by improper neutralization of special elements in OS commands, letting logged-in attackers execute arbitrary OS commands.

CVSS base score 8.8 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Required

EPSS

1.87% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-82791)

## Details

Type

OS Command Injection

Impact

Remote Code Execution

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Published

14 September 2026

Updated

15 October 2026

Weakness

[CWE-78](https://cwe.mitre.org/data/definitions/78.html)

## Vendor fix

Update to the latest version or apply vendor-provided patches.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-82791](https://nvd.nist.gov/vuln/detail/CVE-2026-82791)
- [https://jvn.jp/en/vu/JVNVU90314828/](https://jvn.jp/en/vu/JVNVU90314828/)
- [https://www.contec.com/api/downloadlogger?download=/-/media/Contec/support/security-info/2026/contec\_security\_ph\_26091000\_en.pdf](https://www.contec.com/api/downloadlogger?download=/-/media/Contec/support/security-info/2026/contec_security_ph_26091000_en.pdf)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

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