# CVE-2022-38132: Command injection in MR8300 Router

> An attacker with web interface access can execute arbitrary OS commands via unsanitized DDNS registration fields, leading to full device compromise.

- **Severity:** High 8.2 (`CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** An administrator
- **Attackable:** Local or same network only
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 23 Aug 2022
- **Updated:** 16 Sep 2024
- **Also known as:** GHSA-vrhh-rgjg-mf4v

## What is CVE-2022-38132?

CVE-2022-38132 is a high-severity command injection vulnerability in Linksys MR8300 Router, published on 23 Aug 2022. It can only be exploited from the same machine or local network, with no action from the victim.

### Official description

Command injection vulnerability in Linksys MR8300 router while Registration to DDNS Service. By specifying username and password, an attacker connected to the router's web interface can execute arbitrary OS commands. The username and password fields are not sanitized correctly and are used as URL construction arguments, allowing URL redirection to an arbitrary server, downloading an arbitrary script file, and eventually executing the file in the device. This issue affects: Linksys MR8300 Router 1.0.

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

## Which versions are affected by CVE-2022-38132?

It affects 1 product.


Products: Linksys Mr8300 Firmware.

## How do I fix CVE-2022-38132?

No fix has been published for CVE-2022-38132 yet. Limit exposure of the affected software until one is available.

## Is CVE-2022-38132 being exploited?

There is no known exploitation of CVE-2022-38132 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2022-38132 and fix it if it is affected.

What it is: CVE-2022-38132 is a high-severity command injection vulnerability in Linksys MR8300 Router, published on 23 Aug 2022. 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-2022-38132 in the wild and no public exploit code.

Affected product: Linksys MR8300 Router. 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-2022-38132/ (Markdown: https://insights.sbomify.com/CVE-2022-38132/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2022-38132
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2022-38132
- OSV: https://osv.dev/vulnerability/CVE-2022-38132

---
From sbomify Insights: https://insights.sbomify.com/CVE-2022-38132/
Summaries are generated and may contain mistakes; the official description above is the record.