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CVE-2026-82790 Details

ANALYZED

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

Description

Cross-site scripting vulnerability exists in PC-HELPER Wireless I/O DIO-0404RY-LWF and PC-HELPER Wireless I/O DIO-0404RY-LWF-US. If this vulnerability is exploited, an arbitrary script may be executed on a logged-in user's web browser.

Metrics

CVSS 3.x Severity and Vector Strings:

VolerionCVSS-B:5.4 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

CNA: [email protected]CVSS-B:5.4 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

References to Advisories, Solutions, and Tools

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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-79	Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')	[email protected]

Affected Products

Product	Versions
Contec PC-HELPER Wireless I/O DIO-0404RY-LWF	< 1.01.00 (semver)
CPE cpe:2.3:h:contec:cps-mc341-a1-111:::::::: cpe:2.3:h:contec:cps-mc341-ds1-111:::::::: cpe:2.3:h:contec:cps-mc341-ds11-111:::::::: cpe:2.3:h:contec:cps-mcs341-ds1-111:::::::: Remediation Upgrade: 1.01.00moderate efforthttps://www.contec.com/products-services/daq-control/pc-helper/wireless-io/dio-0404ry-lwf/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 PC-HELPER Wireless I/O DIO-0404RY-LWF-US	< 1.01.00 (semver)
CPE cpe:2.3:h:contec:cps-mc341g-adsc1-110:::::::: cpe:2.3:h:contec:cps-mg341g-adsc1-930:::::::: cpe:2.3:h:contec:cps-mg341-adsc1-111:::::::: cpe:2.3:h:contec:cps-mc341q-adsc1-111:::::::: Remediation Upgrade: 1.01.00moderate efforthttps://www.contec.com/products-services/daq-control/pc-helper/wireless-io/dio-0404ry-lwf/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]