Not a U.S. government website. NDD is an independent vulnerability database by Volerion and is not affiliated with or endorsed by NIST or NVD.

CVE-2026-82793 Details

ANALYZED

This CVE record has been analyzed and enriched by NVDAPI.com as an independent party.

Description

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.

Metrics

CVSS 3.x Severity and Vector Strings:

VolerionCVSS-B:8.8 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CNA: [email protected]CVSS-B:7.2 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.

URL	Source(s)	Tag(s)
https://jvn.jp/en/vu/JVNVU90314828/	[email protected]	AdvisoryBundleRemedy
https://www.contec.com/api/downloadlogger?download=/-/media/Contec/support/security-info/2026/contec_security_ph_26091000_en.pdf	[email protected]	AdvisoryBundleRemedyVendor

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-434	Unrestricted Upload of File with Dangerous Type	[email protected]

Affected Products

Product	Versions
Contec CAN-2-WF	< 2.20
CPE cpe:2.3:o:contec:cps-mcs341-ds1-111_firmware:::::::: cpe:2.3:h:contec:cps-mcs341-ds1-111:::::::: cpe:2.3:h:contec:cps-mc341-ds1-111:::::::: cpe:2.3:o:contec:cps-mc341-ds1-111_firmware:::::::: cpe:2.3:h:contec:cps-mc341-a1-111:::::::: cpe:2.3:o:contec:cps-mc341-a1-111_firmware:::::::: cpe:2.3:h:contec:cps-mc341g-adsc1-110:::::::: cpe:2.3:o:contec:cps-mc341g-adsc1-110_firmware:::::::: cpe:2.3:h:contec:cps-mcs341g5-ds1-130:::::::: cpe:2.3:o:contec:cps-mcs341g5-ds1-130_firmware:::::::: cpe:2.3:h:contec:cps-mcs341q-ds1-131:::::::: cpe:2.3:o:contec:cps-mcs341q-ds1-131_firmware:::::::: cpe:2.3:h:contec:cps-mc341-adsc1-111:::::::: cpe:2.3:o:contec:cps-mc341-adsc1-111_firmware:::::::: cpe:2.3:h:contec:cps-mc341q-adsc1-111:::::::: cpe:2.3:o:contec:cps-mc341q-adsc1-111_firmware:::::::: cpe:2.3:o:contec:cps-mg341-adsc1-111_firmware:::::::: cpe:2.3:h:contec:cps-mg341-adsc1-111:::::::: cpe:2.3:h:contec:cps-mg341g-adsc1-111:::::::: cpe:2.3:o:contec:cps-mg341g-adsc1-111_firmware:::::::: cpe:2.3:h:contec:cps-mcs341g-ds1-130:::::::: Remediation Upgrade: 2.20moderate efforthttps://www.contec.com/products-services/daq-control/pc-helper/wireless-io/can-2-wf/support/#firmware Workaround:low effort Disconnect this product from network lines. Mitigation:low effort Install a firewall upstream of this product and allow only trusted communications. Mitigation:low effort Configure network access to this product within a trusted closed network.
Contec CAN-2-USB	< 2.20
CPE No CPEs found in CPE dictionary for this product. Remediation Upgrade: 2.20moderate efforthttps://www.contec.com/products-services/daq-control/pc-helper/wireless-io/can-2-wf/support/#firmware Workaround:low effort Disconnect this product from network lines. Mitigation:low effort Install a firewall upstream of this product and allow only trusted communications. Mitigation:low effort Configure network access to this product within a trusted closed network.

Change History

2 change records found show changes

Date	Action	Recorded By
Sep 14, 2026	CVE Modified	CISA-ADP
Sep 14, 2026	New CVE Received	[email protected]