# CVE-2024-8166: Ruijie EG2000K index.php unrestricted upload

> Remote attackers can upload arbitrary files via the download tool, potentially leading to code execution on Ruijie EG2000K devices.

- **Severity:** Medium 5.1 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N`)
- **Exploited in the wild:** Not known
- **Login needed:** An administrator
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 26 Aug 2024
- **Updated:** 26 Aug 2024
- **Also known as:** GHSA-rpx6-6266-hrf9

## What is CVE-2024-8166?

CVE-2024-8166 is a medium-severity vulnerability in Ruijie EG2000K, published on 26 Aug 2024. An attacker needs administrator access to exploit it, with no action from the victim.

### Official description

A vulnerability has been found in Ruijie EG2000K 11.1(6)B2 and classified as critical. This vulnerability affects unknown code of the file /tool/index.php?c=download&a=save. The manipulation of the argument content leads to unrestricted upload. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Weakness: CWE-434 (Unrestricted Upload of File with Dangerous Type)

## Which versions are affected by CVE-2024-8166?

It affects 1 product.


Products: Ruijie Eg2000k Firmware.

## How do I fix CVE-2024-8166?

No fix has been published for CVE-2024-8166 yet. Limit exposure of the affected software until one is available.

## Is CVE-2024-8166 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2024-8166 exists.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2024-8166 and fix it if it is affected.

What it is: CVE-2024-8166 is a medium-severity vulnerability in Ruijie EG2000K, published on 26 Aug 2024. An attacker needs administrator access to exploit it, with no action from the victim.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2024-8166 exists.

Affected product: Ruijie EG2000K. 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-2024-8166/ (Markdown: https://insights.sbomify.com/CVE-2024-8166/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2024-8166
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2024-8166
- OSV: https://osv.dev/vulnerability/CVE-2024-8166

---
From sbomify Insights: https://insights.sbomify.com/CVE-2024-8166/
Summaries are generated and may contain mistakes; the official description above is the record.