---
id: CVE-2025-40581
title: >-
  A vulnerability has been identified in SCALANCE LPE9403 (6GK5998-3GS00-2AC2)
  (All versions < V2.1 HF0 with SINEMA Remote Connect Edge Client installed)
summary: "A vulnerability has been identified in SCALANCE LPE9403 (6GK5998-3GS00-2AC2) (All versions < V2.1 HF0 with SINEMA Remote Connect Edge Client installed). Affected devices are vulnerable to an authentication bypass.\r\nThis could allow a non…"
severity: high
cvss: 7.1
cvssVector: 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N'
cwe:
  - CWE-288
vendor: siemens
product: scalance_lpe9403_firmware
affected:
  - scalance_lpe9403_firmware
published: '2025-05-13'
updated: '2026-09-08'
sourceUpdated: '2026-09-08T09:17:36.583'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2025-40581'
references:
  - url: 'https://cert-portal.siemens.com/productcert/html/ssa-327438.html'
    label: productcert@siemens.com
tags:
  - nvd
  - cve.org
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: total
  timestamp: '2025-05-13T13:13:38.439430Z'
epss: 0.00152
epssPercentile: 0.04727
ingestedAt: '2026-09-08T09:30:06.329Z'
---

## Overview

A vulnerability has been identified in SCALANCE LPE9403 (6GK5998-3GS00-2AC2) (All versions < V2.1 HF0 with SINEMA Remote Connect Edge Client installed). Affected devices are vulnerable to an authentication bypass.
This could allow a non-privileged local attacker to bypass the authentication of the SINEMA Remote Connect Edge Client, and to read and modify the configuration parameters.

## Affected

- `scalance_lpe9403_firmware`

## Remediation

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