CVE-2025-64302: Advantech DeviceOn/iEdge Disclosure Flaw

CVE-2025-64302 Overview

CVE-2025-64302 is an input sanitization vulnerability affecting Advantech DeviceOn/iEdge, an industrial IoT device management platform. The flaw resides in the dashboard label or path field, where insufficient sanitization allows an attacker with low privileges to inject malicious input. Successful exploitation triggers a device error that can lead to information disclosure or data manipulation. The vulnerability is classified under [CWE-79] (Improper Neutralization of Input During Web Page Generation) and is exploitable over the network. CISA published an advisory (ICSA-25-310-01) covering this issue in Advantech's operational technology stack.

Critical Impact
An authenticated attacker can manipulate dashboard label or path input to induce device errors, leak sensitive information, or alter data within the DeviceOn/iEdge management interface.

Affected Products

Advantech DeviceOn/iEdge (industrial IoT device management platform)
Dashboard component handling label and path input fields
Deployments exposed to network-reachable users with authenticated access

Discovery Timeline

2025-11-06 - CVE-2025-64302 published to NVD
2026-06-17 - Last updated in NVD database

Technical Details for CVE-2025-64302

Vulnerability Analysis

The vulnerability affects the DeviceOn/iEdge web dashboard, which manages Advantech edge devices in industrial environments. User-supplied content in the dashboard label or path fields is not properly neutralized before being processed or rendered. An authenticated attacker can submit crafted input that the application accepts without validation. Processing that input causes the underlying device or dashboard component to generate an error state. The error condition exposes internal data or permits manipulation of stored information tied to the dashboard context. Because the flaw is mapped to [CWE-79], the sanitization gap is consistent with cross-site scripting classes of input handling weakness, though the observed impact focuses on device error triggering rather than pure script execution in a victim browser.

Root Cause

The root cause is missing or insufficient input validation on the dashboard label and path parameters. The application trusts user-controlled strings and passes them into contexts where special characters or malformed values alter downstream behavior. Without server-side neutralization or output encoding, malicious payloads reach sensitive processing paths.

Attack Vector

Exploitation requires network access and low-privileged authentication to the DeviceOn/iEdge interface. The attacker submits crafted values through the dashboard label or path input. No user interaction from a victim is required. Impact is scoped to limited confidentiality and integrity effects on subsequent system components, consistent with the CVSS 4.0 subsequent-system scoring for this issue.

No verified proof-of-concept code is publicly available. Refer to the CISA ICS Advisory ICSA-25-310-01 for authoritative technical details.

Detection Methods for CVE-2025-64302

Indicators of Compromise

Unexpected error messages or stack traces returned by the DeviceOn/iEdge dashboard following label or path edits
Dashboard configuration entries containing HTML tags, script fragments, control characters, or unusual path traversal sequences
Anomalous read or write activity on dashboard configuration objects from low-privileged accounts

Detection Strategies

Inspect DeviceOn/iEdge application logs for input validation failures or unhandled exceptions tied to dashboard label or path parameters
Correlate authenticated user actions with error events on the management platform to identify probing behavior
Deploy web application firewall rules that flag script tags, encoded payloads, or traversal patterns in dashboard API requests

Monitoring Recommendations

Enable verbose audit logging for dashboard configuration changes and forward events to a centralized SIEM
Monitor authentication activity on the DeviceOn/iEdge interface for accounts modifying dashboard metadata outside normal operational windows
Alert on repeated malformed input submissions from the same user or source address

How to Mitigate CVE-2025-64302

Immediate Actions Required

Review the CISA ICS Advisory ICSA-25-310-01 for vendor-recommended remediation steps
Contact Advantech through the Advantech contact page to confirm patched versions for your deployment
Restrict DeviceOn/iEdge dashboard access to trusted management networks and remove any exposure to untrusted networks

Patch Information

Advantech coordinates fixes for DeviceOn/iEdge through direct customer engagement. Consult the CISA advisory and the Advantech contact channel for the current fixed release. Additional structured advisory data is available in the CISA CSAF repository.

Workarounds

Apply network segmentation to place DeviceOn/iEdge behind firewalls and disallow direct internet exposure
Enforce least-privilege role assignments so only trusted operators can edit dashboard labels or paths
Require multi-factor authentication for all accounts with access to the DeviceOn/iEdge management console
Implement upstream input filtering at a reverse proxy to strip script tags and traversal sequences from dashboard API traffic

bash

# Example reverse proxy filter (nginx) blocking suspicious dashboard input
location /deviceon/dashboard/ {
    if ($args ~* "(<script|%3Cscript|\.\./|%2e%2e%2f)") {
        return 403;
    }
    proxy_pass http://deviceon_backend;
}