Advantech WebAccess/SCADA Unrestricted File Upload Vulnerability Allowing Remote Code Execution

Vulnerability

A vulnerability in Advantech WebAccess/SCADA exists that allows for unrestricted file uploads. This could enable an attacker to remotely execute arbitrary code. The issue is present in WebAccess/SCADA versions 8.4, 9.0, 9.1, and 9.2.

Impact

Exploitation of this vulnerability could lead to unauthorized remote code execution on the affected system.

Added: Dec 18, 2025, 9:29 PM
Updated: Dec 18, 2025, 9:29 PM

Vulnerability Rating

Custom Algorithm
spread
3.1
impact
7.5
exploitability
5.2
remediation
7.7
relevance
1.6
threat
0.0
urgency
2.9
incentive
1.7

Our algorithm analyzes dozens of metrics to generate these 8 key vulnerability categories, which are then combined to calculate the overall risk score.