---
title: "CVE-2026-25752: FUXA Unauthenticated Remote Arbitrary Device Tag Write"
url: https://erroneo.us/security/cve/CVE-2026-25752/
description: "CVE-2026-25752 (fuxa-server (npm)): FUXA is a web-based Process Visualization (SCADA/HMI/Dashboard) software. An authorization bypass vulnerability in FUXA…"
type: vulnerability-record
section: "Security Digest"
date_published: 2026-02-06
date_modified: 2026-02-09
publisher: erroneo.us
author: erroneo.us Security Desk
cve: "CVE-2026-25752"
kev: false
cvss: 9.3
epss: 0.00738
license: All rights reserved. Quote with attribution and a link.
---

# CVE-2026-25752: FUXA Unauthenticated Remote Arbitrary Device Tag Write

**Signal:** Critical and remotely reachable. No known exploitation yet, but it is network-reachable without credentials. (Computed from CISA KEV, EPSS and CVSS; not an editorial verdict.)

## Should you act?

- No confirmed exploitation. It is not in CISA’s KEV catalog and CISA’s SSVC assessment records no known exploitation. That can change quickly after a public write-up; re-check if you are affected.
- EPSS 0.7% , percentile 54: FIRST’s model estimates a 0.7% chance of exploitation activity in the next 30 days, higher than 54% of all scored CVEs (moderate). EPSS is a probability, not a verdict.
- Remotely reachable with no login and no user interaction. If the vulnerable service is exposed to the internet, prioritize it.
- Only applies if your dependency tree includes fuxa-server (npm) <= 1.2.9, fixed in 1.2.10 . Check your lockfile, including transitive dependencies.

## What it is

FUXA is a web-based Process Visualization (SCADA/HMI/Dashboard) software. An authorization bypass vulnerability in FUXA allows an unauthenticated, remote attacker to modify device tags via WebSockets. Exploitation allows an unauthenticated, remote attacker to bypass role-based access controls and overwrite arbitrary device tags or disable communication drivers, exposing connected ICS/SCADA environments to follow-on actions. This may allow an attacker to manipulate physical processes and disconnected devices from the HMI. This affects FUXA through version 1.2.9. This issue has been patched in FUXA version 1.2.10.

## Affected packages

- npm `fuxa-server` <= 1.2.9 → fixed: 1.2.10

## Affected products (CVE record)

- frangoteam FUXA: < 1.2.10

## Severity

- GitHub_M CVSS 4.0: 9.3 `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`
- GitHub CVSS 4.0: 9.3 `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`

## Exploitation

- CISA KEV: not listed (no confirmed in-the-wild exploitation known to CISA).
- CISA SSVC assessment: exploitation none , automatable yes , technical impact total .
- FIRST EPSS (model of 2026-10-21): 0.74% probability of exploitation activity in the next 30 days; percentile 54.

## Sources

- [GitHub Advisory GHSA-ggxw-g3cp-mgf8](https://github.com/advisories/GHSA-ggxw-g3cp-mgf8)
- [CVE.org record CVE-2026-25752](https://www.cve.org/CVERecord?id=CVE-2026-25752)
- [NVD entry CVE-2026-25752](https://nvd.nist.gov/vuln/detail/CVE-2026-25752)
- [github.com](https://github.com/frangoteam/FUXA/security/advisories/GHSA-ggxw-g3cp-mgf8)
- [github.com](https://github.com/frangoteam/FUXA/releases/tag/v1.2.10)
- [github.com](https://github.com/frangoteam/FUXA/commit/eb2d8a20964ce7acaa0f442a181390a5f726a1ae)

---
Source page: https://erroneo.us/security/cve/CVE-2026-25752/ · Security Digest: https://erroneo.us/security/ · More: https://erroneo.us/llms.txt