CVE-2026-82791
Received Received - Intake

OS Command Injection in Contec CAN 2.0B Wireless Converter

Publication date: 2026-09-14

Last updated on: 2026-09-14

Assigner: JPCERT/CC

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.

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Meta Information

Published
2026-09-14
Last Modified
2026-09-14
Generated
2026-09-14
AI Q&A
2026-09-14
EPSS Evaluated
N/A
NVD
CVE-2026-82791
EUVD
EUVD-2026-77246

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
contec can_2.0b_communication_wireless_lan_usb_converter_unit *

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-78 The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component.

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Executive Summary

This is an OS command injection vulnerability in the Contec CAN 2.0B Communication Wireless LAN / USB Converter Unit. It allows an attacker who can log in to the product to execute arbitrary OS commands by exploiting improper neutralization of special elements in user input.

Impact Analysis

An attacker could gain control over the affected device, potentially leading to unauthorized access, data theft, or disruption of operations. This could impact system integrity, confidentiality, and availability if exploited.

Compliance Impact

This vulnerability could lead to unauthorized access or data breaches, violating compliance requirements for GDPR (data protection) and HIPAA (health information security). Organizations may face legal penalties or reputational damage if exploited.

Mitigation Strategies

Immediately restrict network access to the Contec CAN 2.0B Communication Wireless LAN / USB Converter Unit to authorized users only. Disable remote login capabilities if not required. Apply vendor patches or updates if available. Monitor system logs for suspicious command execution attempts.

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