# CVE-2022-2488: WAVLINK WN535K2/WN535K3 touchlist_sync.cgi os command injection

> Attackers can execute arbitrary OS commands on WAVLINK routers via the touchlist_sync.cgi script, potentially compromising the device.

- **Severity:** High 8.0 (`CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Local or same network only
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 20 Jul 2022
- **Updated:** 15 Apr 2025
- **Also known as:** GHSA-628r-386p-mrwh

## What is CVE-2022-2488?

CVE-2022-2488 is a high-severity command injection vulnerability in WAVLINK WN535K2, published on 20 Jul 2022. It can only be exploited from the same machine or local network, with no action from the victim.

### Official description

A vulnerability was found in WAVLINK WN535K2 and WN535K3 and classified as critical. This issue affects some unknown processing of the file /cgi-bin/touchlist_sync.cgi. The manipulation of the argument IP leads to os command injection. The exploit has been disclosed to the public and may be used.

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

## Which versions are affected by CVE-2022-2488?

It affects 2 products.


Products: Wavlink Wl-Wn535k2 Firmware, Wavlink Wl-Wn535k3 Firmware.

## How do I fix CVE-2022-2488?

No fix has been published for CVE-2022-2488 yet. Limit exposure of the affected software until one is available.

## Is CVE-2022-2488 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2022-2488 exists.

Public exploit code:

- Wavlink WN535K2/WN535K3 - OS Command Injection (nuclei): http/cves/2022/CVE-2022-2488.yaml

## Other vulnerabilities in WAVLINK WN535K2

- [CVE-2022-2486](https://insights.sbomify.com/CVE-2022-2486/): WAVLINK WN535K2/WN535K3 os command injection (high 8.0)
- [CVE-2022-2487](https://insights.sbomify.com/CVE-2022-2487/): WAVLINK WN535K2/WN535K3 nightled.cgi os command injection (high 8.0)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2022-2488 and fix it if it is affected.

What it is: CVE-2022-2488 is a high-severity command injection vulnerability in WAVLINK WN535K2, published on 20 Jul 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2022-2488 exists.

Affected product: WAVLINK WN535K2. 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-2022-2488/ (Markdown: https://insights.sbomify.com/CVE-2022-2488/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2022-2488
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2022-2488
- OSV: https://osv.dev/vulnerability/CVE-2022-2488

---
From sbomify Insights: https://insights.sbomify.com/CVE-2022-2488/
Summaries are generated and may contain mistakes; the official description above is the record.