CVE-2026-82763
Received Received - Intake

Cross-Site Scripting in Contec FX5000, FX4000, and FX3000 Series

Publication date: 2026-09-14

Last updated on: 2026-09-14

Assigner: JPCERT/CC

Description
Cross-site scripting vulnerability exists in Contec FX5000 series, FX4000 series, and FX3000 series. 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
2026-10-04
AI Q&A
2026-09-14
EPSS Evaluated
2026-10-03
NVD
CVE-2026-82763
EUVD
EUVD-2026-77242

Affected Vendors & Products

Showing 9 associated CPEs
Vendor Product Version / Range
contec fx5000 *
contec fx4000 *
contec fx3000 *
contec fx5000 to 1.12.00 (exc)
contec fx4000 to 1.12.00 (exc)
contec fx3000 to 1.14.00 (exc)
contec sga1000 to 1.02 (exc)
contec rp-wah-sr_series to 1.02 (exc)
contec ec1000_series to 1.02 (exc)

Helpful Resources

Exploitability

CWE
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KEV
KEV Icon
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 Contec FX5000, FX4000, and FX3000 series devices. It allows an attacker to inject malicious scripts into a logged-in user's web browser.

Detection Guidance

This CVE describes a cross-site scripting (XSS) vulnerability in Contec FX5000, FX4000, and FX3000 series products. Detection typically involves inspecting web application inputs for XSS payloads or reviewing server logs for suspicious script execution attempts. No specific commands are provided in the available context.

Impact Analysis

An attacker could exploit this to execute arbitrary scripts in your browser, potentially stealing session cookies, credentials, or sensitive data displayed on the page.

Compliance Impact

This vulnerability is a cross-site scripting issue that allows arbitrary script execution in a user's browser. While it does not directly impact data storage or transmission security, it could potentially lead to unauthorized access to sensitive data, which may affect compliance with standards like GDPR or HIPAA if exploited.

Mitigation Strategies

Apply vendor patches or updates for Contec FX5000, FX4000, and FX3000 series if available. Disable unnecessary web interfaces or restrict access to trusted networks. Monitor network traffic for suspicious activity and educate users on recognizing potential XSS attempts.

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