# CVE-2023-0618: TRENDnet TEW-652BRP Web Service cfg_op.ccp memory corruption

> Remote attackers can exploit memory corruption in the web service to execute arbitrary code or cause denial of service on TRENDnet routers.

- **Severity:** High 7.5 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 1 Feb 2023
- **Updated:** 2 Aug 2024
- **Also known as:** GHSA-frj5-8p3p-hvwm

## What is CVE-2023-0618?

CVE-2023-0618 is a high-severity memory corruption vulnerability in TRENDnet TEW-652BRP, published on 1 Feb 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

A vulnerability was found in TRENDnet TEW-652BRP 3.04B01. It has been declared as critical. This vulnerability affects unknown code of the file cfg_op.ccp of the component Web Service. The manipulation leads to memory corruption. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. VDB-219958 is the identifier assigned to this vulnerability.

Weakness: CWE-787 (Out-of-bounds Write), CWE-119 (Improper Restriction of Operations within the Bounds of a Memory Buffer)

## Which versions are affected by CVE-2023-0618?

It affects 1 product.


Products: Trendnet Tew-652brp Firmware.

## How do I fix CVE-2023-0618?

No fix has been published for CVE-2023-0618 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-0618 being exploited?

There is no known exploitation of CVE-2023-0618 in the wild and no public exploit code.

## 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-2023-0640](https://insights.sbomify.com/CVE-2023-0640/): TRENDnet TEW-652BRP Web Interface ping.ccp command injection (high 7.2)
- [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-2023-0618 and fix it if it is affected.

What it is: CVE-2023-0618 is a high-severity memory corruption vulnerability in TRENDnet TEW-652BRP, published on 1 Feb 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2023-0618 in the wild and no public exploit code.

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-2023-0618/ (Markdown: https://insights.sbomify.com/CVE-2023-0618/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-0618
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-0618
- OSV: https://osv.dev/vulnerability/CVE-2023-0618

---
From sbomify Insights: https://insights.sbomify.com/CVE-2023-0618/
Summaries are generated and may contain mistakes; the official description above is the record.