# CVE-2022-4616: Command injection in 4G Router DX-3021

> Remote unauthenticated attackers can execute arbitrary commands via the network diagnosis page, allowing file manipulation and potential system compromise.

- **Severity:** High 7.2 (`CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** An administrator
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 12 Jan 2023
- **Updated:** 16 Jan 2025
- **Also known as:** GHSA-2qfm-rj23-qxqj

## What is CVE-2022-4616?

CVE-2022-4616 is a high-severity command injection vulnerability in Delta Industrial Automation 4G Router DX-3021, published on 12 Jan 2023. An attacker needs administrator access to exploit it, with no action from the victim.

### Official description

The webserver in Delta DX-3021 versions prior to 1.24 is vulnerable to 
command injection through the network diagnosis page. This vulnerability
 could allow a remote unauthenticated user to add files, delete files, 
and change file permissions.

Weakness: CWE-77 (Improper Neutralization of Special Elements used in a Command)

## Which versions are affected by CVE-2022-4616?

It affects 1 product.


Products: Deltaww Dx-3021l9 Firmware.

## How do I fix CVE-2022-4616?

No fix has been published for CVE-2022-4616 yet. Limit exposure of the affected software until one is available.

## Is CVE-2022-4616 being exploited?

There is no known exploitation of CVE-2022-4616 in the wild and no public exploit code.

Public exploit code:

- This Python script aids in exploiting CVE-2022-46169 by automating payload delivery and response handling. It starts an HTTP server, listens for requests, and enables command input for real-time interaction with a vulnerable target. (github_poc): https://github.com/ahanel13/CVE-2022-4616-POC

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2022-4616 and fix it if it is affected.

What it is: CVE-2022-4616 is a high-severity command injection vulnerability in Delta Industrial Automation 4G Router DX-3021, published on 12 Jan 2023. An attacker needs administrator access to exploit it, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2022-4616 in the wild and no public exploit code.

Affected product: Delta Industrial Automation 4G Router DX-3021. 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-2022-4616/ (Markdown: https://insights.sbomify.com/CVE-2022-4616/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2022-4616
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2022-4616
- OSV: https://osv.dev/vulnerability/CVE-2022-4616

---
From sbomify Insights: https://insights.sbomify.com/CVE-2022-4616/
Summaries are generated and may contain mistakes; the official description above is the record.