# CVE-2024-36491: Command injection in FutureNet NXR-120/C

> Administrative users can execute arbitrary OS commands on FutureNet routers, leading to code execution, data manipulation, and denial of 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:** 17 Jul 2024
- **Updated:** 8 Apr 2025
- **Also known as:** GHSA-vv6q-q6px-fjgf

## What is CVE-2024-36491?

CVE-2024-36491 is a critical command injection vulnerability in Century Systems Co., Ltd. FutureNet NXR-120/C, published on 17 Jul 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

FutureNet NXR series, VXR series and WXR series provided by Century Systems Co., Ltd. allow an administrative user to execute an arbitrary OS command, obtain and/or alter sensitive information, and cause a denial-of-service (DoS) condition.

Weakness: CWE-78 (Improper Neutralization of Special Elements used in an OS Command)

## Which versions are affected by CVE-2024-36491?

It affects 22 products.


Products: Centurysys Futurenet Nxr-1200 Firmware, Centurysys Futurenet Nxr-120\/C Firmware, Centurysys Futurenet Nxr-125\/Cx Firmware, Centurysys Futurenet Nxr-1300 Firmware, Centurysys Futurenet Nxr-130\/C Firmware, Centurysys Futurenet Nxr-155\/C Firmware, Centurysys Futurenet Nxr-160\/Lw Firmware, Centurysys Futurenet Nxr-230\/C Firmware, Centurysys Futurenet Nxr-350\/C Firmware, Centurysys Futurenet Nxr-530 Firmware, Centurysys Futurenet Nxr-610x Firmware, Centurysys Futurenet Nxr-650 Firmware, Centurysys Futurenet Nxr-G050 Firmware, Centurysys Futurenet Nxr-G060 Firmware, Centurysys Futurenet Nxr-G100 Firmware, Centurysys Futurenet Nxr-G110 Firmware, Centurysys Futurenet Nxr-G120 Firmware, Centurysys Futurenet Nxr-G180\/L-Ca Firmware, Centurysys Futurenet Nxr-G200 Firmware, Centurysys Futurenet Vxr-X64 and 2 more.

## How do I fix CVE-2024-36491?

No fix has been published for CVE-2024-36491 yet. Limit exposure of the affected software until one is available.

## Is CVE-2024-36491 being exploited?

There is no known exploitation of CVE-2024-36491 in the wild and no public exploit code.

## Other vulnerabilities in Century Systems Co., Ltd. FutureNet NXR-120/C

- [CVE-2024-31070](https://insights.sbomify.com/CVE-2024-31070/): Misconfiguration in FutureNet NXR-120/C (critical 9.1)
- [CVE-2024-36475](https://insights.sbomify.com/CVE-2024-36475/): Command injection in FutureNet NXR-120/C (high 7.2)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2024-36491 and fix it if it is affected.

What it is: CVE-2024-36491 is a critical command injection vulnerability in Century Systems Co., Ltd. FutureNet NXR-120/C, published on 17 Jul 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-2024-36491 in the wild and no public exploit code.

Affected product: Century Systems Co., Ltd. FutureNet NXR-120/C. 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-2024-36491/ (Markdown: https://insights.sbomify.com/CVE-2024-36491/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2024-36491
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2024-36491
- OSV: https://osv.dev/vulnerability/CVE-2024-36491

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From sbomify Insights: https://insights.sbomify.com/CVE-2024-36491/
Summaries are generated and may contain mistakes; the official description above is the record.