---
id: CVE-2026-107051
title: >-
  Insecure permissions in klassm AndFHEM v2.4.1 (versionCode 241, the verified
  build) allows unauthorized attackers to arbitrarily manipulate another user's
  FHEM home-automation control configurations.
summary: >-
  Insecure permissions in klassm AndFHEM v2.4.1 (versionCode 241, the verified
  build) allows unauthorized attackers to arbitrarily manipulate another user's
  FHEM home-automation control configurations.
severity: high
cvss: 7.5
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N'
cvssSource: adp
ssvc:
  exploitation: none
  automatable: 'yes'
  technicalImpact: partial
  timestamp: '2026-11-02T17:19:06.209746Z'
published: '2026-10-29'
updated: '2026-11-02'
sourceUpdated: '2026-11-02T17:19:34.362Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-107051'
references:
  - url: 'https://f-droid.org/packages/li.klass.fhem/'
  - url: 'https://github.com/klassm/andFHEM'
  - url: >-
      https://github.com/FFG0d/fdroid-android-advisories/blob/main/advisories/CVE-2026-107051.md
tags:
  - cve.org
epss: 0.00248
epssPercentile: 0.16136
ingestedAt: '2026-11-01T21:01:32.736Z'
---

## Overview

Insecure permissions in klassm AndFHEM v2.4.1 (versionCode 241, the verified build) allows unauthorized attackers to arbitrarily manipulate another user's FHEM home-automation control configurations.

## Remediation

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