CVE-2026-82790
Received Received - Intake

Cross-Site Scripting in PC-HELPER Wireless I/O DIO-0404RY-LWF

Publication date: 2026-09-14

Last updated on: 2026-09-14

Assigner: JPCERT/CC

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.

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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-2026-82790
EUVD
EUVD-2026-77245

Affected Vendors & Products

Showing 2 associated CPEs
Vendor Product Version / Range
pc-helper wired_io_dio-0404ry-lwf *
pc-helper wired_io_dio-0404ry-lwf-us *

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-79 The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

Attack-Flow Graph

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Executive Summary

This is a cross-site scripting (XSS) vulnerability in PC-HELPER Wireless I/O devices (DIO-0404RY-LWF and DIO-0404RY-LWF-US). It allows an attacker to inject and execute arbitrary scripts in a logged-in user's web browser when they access a vulnerable page.

Impact Analysis

An attacker could steal session cookies, redirect users to malicious sites, or perform actions on behalf of the user. This could lead to unauthorized access to sensitive data or control of the device interface.

Compliance Impact

This vulnerability may violate data protection requirements under GDPR and HIPAA by enabling unauthorized access to personal or health data. Organizations using these devices could face compliance violations and potential penalties.

Mitigation Strategies

Immediate steps include updating the firmware of PC-HELPER Wireless I/O DIO-0404RY-LWF and DIO-0404RY-LWF-US to the latest version to patch the XSS vulnerability. Disable unnecessary web interfaces if possible and restrict access to the device's web interface through network segmentation or firewall rules.

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