# CVE-2024-21797: Command injection in Wavlink AC3000

> An authenticated attacker can execute arbitrary commands on Wavlink AC3000 routers via a crafted HTTP request to the TR069 configuration interface.

- **Severity:** Critical 9.1 (`CVSS:3.1/AV:N/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:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 14 Jan 2025
- **Updated:** 15 Jan 2025
- **Also known as:** GHSA-hpf7-2hg3-3g3h

## What is CVE-2024-21797?

CVE-2024-21797 is a critical command injection vulnerability in Wavlink Wl-Wn533a8 Firmware, published on 14 Jan 2025. An attacker needs administrator access to exploit it, with no action from the victim.

### Official description

A command execution vulnerability exists in the adm.cgi set_TR069() functionality of Wavlink AC3000 M33A8.V5030.210505. A specially crafted HTTP request can lead to arbitrary command execution. An attacker can make an authenticated HTTP request to trigger this vulnerability.

Weakness: CWE-74 (Improper Neutralization of Special Elements in Output Used by a Downstream Component)

## Which versions are affected by CVE-2024-21797?

It affects 1 product.


Products: Wavlink Wl-Wn533a8 Firmware.

## How do I fix CVE-2024-21797?

No fix has been published for CVE-2024-21797 yet. Limit exposure of the affected software until one is available.

## Is CVE-2024-21797 being exploited?

There is no known exploitation of CVE-2024-21797 in the wild and no public exploit code.

## Other vulnerabilities in Wavlink Wl-Wn533a8 Firmware

- [CVE-2024-34166](https://insights.sbomify.com/CVE-2024-34166/): Command injection in Wavlink AC3000 (critical 10.0)
- [CVE-2024-36258](https://insights.sbomify.com/CVE-2024-36258/): Memory corruption in Wavlink AC3000 (critical 10.0)
- [CVE-2024-36290](https://insights.sbomify.com/CVE-2024-36290/): Memory corruption in Wavlink AC3000 (critical 10.0)
- [CVE-2024-39608](https://insights.sbomify.com/CVE-2024-39608/): Missing authorization in Wavlink AC3000 (critical 10.0)
- [CVE-2024-39754](https://insights.sbomify.com/CVE-2024-39754/): Auth bypass in Wavlink AC3000 (critical 10.0)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2024-21797 and fix it if it is affected.

What it is: CVE-2024-21797 is a critical command injection vulnerability in Wavlink Wl-Wn533a8 Firmware, published on 14 Jan 2025. An attacker needs administrator access to exploit it, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2024-21797 in the wild and no public exploit code.

Affected product: Wavlink Wl-Wn533a8 Firmware. 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-2024-21797/ (Markdown: https://insights.sbomify.com/CVE-2024-21797/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2024-21797
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2024-21797
- OSV: https://osv.dev/vulnerability/CVE-2024-21797

---
From sbomify Insights: https://insights.sbomify.com/CVE-2024-21797/
Summaries are generated and may contain mistakes; the official description above is the record.