---
id: CVE-2026-82932
title: mH-DEVELOPER smart home module does not load any firewall rules at startup
summary: >-
  mH-DEVELOPER smart home module does not load any firewall rules at startup.
  This leaves all listening services, including SSH, HTTP, WebSocket, and
  Node-RED, fully exposed on the LAN without access control. Any client on the
  same network…
severity: medium
cvss: 5.3
cvssVector: 'CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N'
cwe:
  - CWE-923
vendor: F&F Filipowski
product: mH-DEVELOPER
affected:
  - mH-DEVELOPER < 3.0.30
published: '2026-09-28'
updated: '2026-09-28'
sourceUpdated: '2026-09-28T13:17:23.703'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-82932'
references:
  - url: 'https://cert.pl/posts/2026/09/CVE-2026-82928/'
    label: cvd@cert.pl
  - url: 'https://www.fif.com.pl/pl/strona-glowna/1367-mh-developer.html'
    label: cvd@cert.pl
tags:
  - nvd
  - cve.org
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-09-28T13:03:41.414346Z'
cvssSource: cna
ingestedAt: '2026-09-28T13:09:42.240Z'
---

## Overview

mH-DEVELOPER smart home module does not load any firewall rules at startup. This leaves all listening services, including SSH, HTTP, WebSocket, and Node-RED, fully exposed on the LAN without access control. Any client on the same network can reach every service.


This issue was fixed in version 3.0.30

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.