CVE-2026-82793NVD

Vulnerability Summary

Unrestricted upload of file with dangerous type issue exists in Contec CAN 2.0B Communication Wireless LAN / USB Converter Unit. If a specially crafted file is uploaded by a remote authenticated attacker, arbitrary code may be executed on the product.

Severity Level

HIGH(7.2)

Published Date

Sep 14, 2026

Last Modified

Sep 14, 2026

Exploitation Status

No confirmed exploitation yet

EPSS Score (30-Day)

0.35%Probability

Root Weakness (CWE)

CWE-434: Unrestricted File Upload ↗

The software allows the attacker to upload or transfer files of dangerous types that can be automatically processed within the product's environment.

CVSS v4.0 Base Metrics — Score 8.6 (HIGH)

Attack VectorNetwork

Attack ComplexityLow

Attack RequirementsNone

Privileges RequiredHigh

User InteractionNone

Confidentiality (Vulnerable System)High

Integrity (Vulnerable System)High

Availability (Vulnerable System)High

Confidentiality (Subsequent System)None

Integrity (Subsequent System)None

Availability (Subsequent System)None

CVSS v3.1 Base Metrics — Score 7.2 (HIGH)

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredHigh

User InteractionNone

ScopeUnchanged

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

Affected & Patched Versions

Affected Versions

Contec Co., Ltd. CAN-2-WF < 2.20
Contec Co., Ltd. CAN-2-USB < 2.20

Patched Versions

Contec Co., Ltd. CAN-2-WF 2.20
Contec Co., Ltd. CAN-2-USB 2.20

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