# CVE-2025-8007: Rockwell Automation 1756-ENT2R, EN4TR, EN4TRXT Vulnerability

> A concurrent Forward Close operation can cause a Major Non-Recoverable fault, leading to system crashes and loss of availability in Rockwell communication modules.

- **Severity:** High 7.1 (`CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Local or same network only
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 9 Sep 2025
- **Updated:** 9 Sep 2025
- **Also known as:** GHSA-424r-cv4h-2fmw

## What is CVE-2025-8007?

CVE-2025-8007 is a high-severity denial of service vulnerability in Rockwell Automation 1756-ENT2R, 1756-EN4TR, 1756-EN4TRXT, published on 9 Sep 2025. It can only be exploited from the same machine or local network, with no action from the victim.

### Official description

A security issue exists in the protected mode of 1756-EN4TR and 1756-EN2TR communication modules, where a Concurrent Forward Close operation can trigger a Major Non-Recoverable (MNFR) fault. This condition may lead to unexpected system crashes and loss of device availability.

Weakness: CWE-20 (Improper Input Validation)

## Which versions are affected by CVE-2025-8007?

It affects 5 products.


Products: Rockwellautomation 1756-En2tr Series a Firmware, Rockwellautomation 1756-En2tr Series B Firmware, Rockwellautomation 1756-En2tr Series C Firmware, Rockwellautomation 1756-En4tr Firmware, Rockwellautomation 1756-En4trxt Firmware.

## How do I fix CVE-2025-8007?

No fix has been published for CVE-2025-8007 yet. Limit exposure of the affected software until one is available.

## Is CVE-2025-8007 being exploited?

There is no known exploitation of CVE-2025-8007 in the wild and no public exploit code.

## Other vulnerabilities in Rockwell Automation 1756-ENT2R, 1756-EN4TR, 1756-EN4TRXT

- [CVE-2025-8008](https://insights.sbomify.com/CVE-2025-8008/): Rockwell Automation 1756-ENT2R, EN4TR, EN4TRXT Vulnerability (high 7.1)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2025-8007 and fix it if it is affected.

What it is: CVE-2025-8007 is a high-severity denial of service vulnerability in Rockwell Automation 1756-ENT2R, 1756-EN4TR, 1756-EN4TRXT, published on 9 Sep 2025. It can only be exploited from the same machine or local network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2025-8007 in the wild and no public exploit code.

Affected product: Rockwell Automation 1756-ENT2R, 1756-EN4TR, 1756-EN4TRXT. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2025-8007/ (Markdown: https://insights.sbomify.com/CVE-2025-8007/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2025-8007
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2025-8007
- OSV: https://osv.dev/vulnerability/CVE-2025-8007

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From sbomify Insights: https://insights.sbomify.com/CVE-2025-8007/
Summaries are generated and may contain mistakes; the official description above is the record.