# CVE-2024-45274: MB connect line/Helmholz: Remote code execution via confnet service

> Unauthenticated remote attackers can execute OS commands on Helmholz and MB connect line devices via the confnet service.

- **Severity:** Critical 9.8 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 15 Oct 2024
- **Updated:** 3 Nov 2025
- **Also known as:** GHSA-7vgw-g2hc-25j8

## What is CVE-2024-45274?

CVE-2024-45274 is a critical missing authorization vulnerability in Helmholz REX100, published on 15 Oct 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

An unauthenticated remote attacker can execute OS commands via UDP on the device due to missing authentication.

Weakness: CWE-306 (Missing Authentication for Critical Functionality)

## Which versions are affected by CVE-2024-45274?

It affects 2 products.


Products: Helmholz Rex 100 Firmware, Mbconnectline Mbnet.mini Firmware.

## How do I fix CVE-2024-45274?

No fix has been published for CVE-2024-45274 yet. Limit exposure of the affected software until one is available.

## Is CVE-2024-45274 being exploited?

There is no known exploitation of CVE-2024-45274 in the wild and no public exploit code.

## Other vulnerabilities in Helmholz REX100

- [CVE-2024-45275](https://insights.sbomify.com/CVE-2024-45275/): MB connect line/Helmholz: Hardcoded user accounts with hard-coded passwords (critical 9.8)
- [CVE-2024-45271](https://insights.sbomify.com/CVE-2024-45271/): MB connect line/Helmholz: Remote code execution due to improper input validation (high 8.4)
- [CVE-2024-45276](https://insights.sbomify.com/CVE-2024-45276/): MB connect line/Helmholz: tmp directory exposed via webservice (high 7.5)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2024-45274 and fix it if it is affected.

What it is: CVE-2024-45274 is a critical missing authorization vulnerability in Helmholz REX100, published on 15 Oct 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2024-45274 in the wild and no public exploit code.

Affected product: Helmholz REX100. 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-2024-45274/ (Markdown: https://insights.sbomify.com/CVE-2024-45274/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2024-45274
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2024-45274
- OSV: https://osv.dev/vulnerability/CVE-2024-45274

---
From sbomify Insights: https://insights.sbomify.com/CVE-2024-45274/
Summaries are generated and may contain mistakes; the official description above is the record.