# CVE-2023-0640: TRENDnet TEW-652BRP Web Interface ping.ccp command injection

> Remote attackers can execute arbitrary commands on TRENDnet TEW-652BRP routers via the web interface ping feature.

- **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:** 2 Feb 2023
- **Updated:** 26 Mar 2025
- **Also known as:** GHSA-gw27-2xcc-9p84

## What is CVE-2023-0640?

CVE-2023-0640 is a high-severity command injection vulnerability in TRENDnet TEW-652BRP, published on 2 Feb 2023. An attacker needs administrator access to exploit it, with no action from the victim.

### Official description

A vulnerability was found in TRENDnet TEW-652BRP 3.04b01. It has been classified as critical. Affected is an unknown function of the file ping.ccp of the component Web Interface. The manipulation leads to command injection. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-220020.

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

## Which versions are affected by CVE-2023-0640?

It affects 1 product.


Products: Trendnet Tew-652brp Firmware.

## How do I fix CVE-2023-0640?

No fix has been published for CVE-2023-0640 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-0640 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-0640 exists.

## Other vulnerabilities in TRENDnet TEW-652BRP

- [CVE-2023-0611](https://insights.sbomify.com/CVE-2023-0611/): TRENDnet TEW-652BRP Web Management Interface get_set.ccp command injection (high 8.8)
- [CVE-2023-0618](https://insights.sbomify.com/CVE-2023-0618/): TRENDnet TEW-652BRP Web Service cfg_op.ccp memory corruption (high 7.5)
- [CVE-2023-0639](https://insights.sbomify.com/CVE-2023-0639/): TRENDnet TEW-652BRP Web Management Interface get_set.ccp cross site scripting (low 2.4)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-0640 and fix it if it is affected.

What it is: CVE-2023-0640 is a high-severity command injection vulnerability in TRENDnet TEW-652BRP, published on 2 Feb 2023. 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-2023-0640 exists.

Affected product: TRENDnet TEW-652BRP. 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-2023-0640/ (Markdown: https://insights.sbomify.com/CVE-2023-0640/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-0640
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-0640
- OSV: https://osv.dev/vulnerability/CVE-2023-0640

---
From sbomify Insights: https://insights.sbomify.com/CVE-2023-0640/
Summaries are generated and may contain mistakes; the official description above is the record.