CVE-2025-14849CWE-434unrestricted-file-upload

CVE-2025-14849

High · published December 19, 2025

CVSS v3.1
8.8
EPSS
1%
Percentile
49.0
In the wild
Unconfirmed
What it is

🚨 Unrestricted file uploads could be your ticket to disaster! This vulnerability in Advantech WebAccess/SCADA lets attackers upload files that could run arbitrary code on your system. 🔥 Think of it like a restaurant where anyone can add whatever they want to the menu without checks. If a mischievous chef slides in a dish filled with surprise ingredients, it could ruin the entire meal! If exploited, an attacker could remotely execute any code of their choosing, which means they could gain full control over your system! This could lead to data theft, manipulation of critical infrastructure, or even further attacks on your network. The stakes are incredibly high!

Put simply

Think of it like a restaurant where anyone can add whatever they want to the menu without checks. If a mischievous chef slides in a dish filled with surprise ingredients, it could ruin the entire meal! This vulnerability stems from the lack of proper validation on uploaded files in Advantech WebAccess/SCADA, allowing an attacker to upload malicious code that executes with the application’s privileges.

What to do

If exploited, an attacker could remotely execute any code of their choosing, which means they could gain full control over your system! This could lead to data theft, manipulation of critical infrastructure, or even further attacks on your network. The stakes are incredibly high! To mitigate this risk, immediately apply the latest patches provided by Advantech. Implement strict file validation protocols to ensure only authorized file types can be uploaded. Regularly audit your application for other potential vulnerabilities. You've got this! With these fixes in place, you'll be well on your way to securing your system. 🛡️

The record
Technical detail
CVSS v3.1
8.8 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00618 · 49.0th percentile
Weakness
CWE-434 · Unrestricted Upload of File with Dangerous Type
Published
2025-12-19T02:15Z
Affected products (1)
ProductVersionsFixed in
advantech/webaccess\/scadaall versions—
References (3)
EPSS history
Timeline
  • 18 DEC 20:32Z
    Advantech WebAccess/SCADA Unrestricted Upload of File with Dangerous Type
    cvelistv5