CVE-2026-25752CWE-862

FUXA Unauthenticated Remote Arbitrary Device Tag Write

Critical · published February 6, 2026

CVSS v4.0
9.3
EPSS
1%
Percentile
54.0
In the wild
Unconfirmed
What it is

🚨 An authorization bypass in FUXA could let attackers remotely tweak device tags without breaking a sweat! 🔥 Think of it as having a backstage pass to a concert where you can change the music playlist at will — no one asked for your permission, and you could create chaos by playing all the wrong songs! This vulnerability is absolutely devastating — an attacker could alter critical device settings or even disable communication drivers in an ICS/SCADA environment. This means they could manipulate physical processes, putting safety and operations at serious risk! Imagine a hacker controlling vital systems with a mere click — that's the reality here!

Put simply

Think of it as having a backstage pass to a concert where you can change the music playlist at will — no one asked for your permission, and you could create chaos by playing all the wrong songs! The vulnerability allows unauthenticated attackers to bypass role-based access controls via WebSockets in FUXA, letting them modify device tags and potentially disrupt connected systems.

What to do

This vulnerability is absolutely devastating — an attacker could alter critical device settings or even disable communication drivers in an ICS/SCADA environment. This means they could manipulate physical processes, putting safety and operations at serious risk! Imagine a hacker controlling vital systems with a mere click — that's the reality here! Upgrade FUXA to version 1.2.10 immediately to close this security hole. Additionally, review your WebSocket configurations and access controls to ensure that no unauthorized modifications can be made. Don't leave your processes exposed! You've got this! Patch now and reinforce your defenses, and you'll be back in control in no time! 🛡️

The record
Technical detail
CVSS v4.0
9.3 · CRITICAL
Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:H/VA:H/SC:L/SI:H/SA:H
EPSS
0.00738 · 54.0th percentile
Weakness
CWE-862 · Missing Authorization
Published
2026-02-06T19:05Z
EPSS history
Timeline
  • 06 FEB 19:05Z
    FUXA Unauthenticated Remote Arbitrary Device Tag Write
    cvelistv5