CVE-2026-82793 Contec CAN 2.0B Communication Wireless LAN / USB Converter Unit - Unrestricted File Upload

Contec CAN 2.0B Communication Wireless LAN / USB Converter Unit contains an unrestricted file upload vulnerability caused by lack of file type restrictions, letting remote authenticated attackers execute arbitrary code.

CVSS base score 7.2 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
EPSS
0.63% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Unrestricted File Upload
Impact
Remote Code Execution
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Published
14 September 2026
Updated
15 October 2026
Weakness
CWE-434

Vendor fix

Update to the latest version with file upload restrictions or apply vendor 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

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