# CVE-2023-7208: Totolink X2000R_V2 boa formTmultiAP buffer overflow

> A buffer overflow in the Totolink X2000R_V2 router's boa web server allows attackers to execute arbitrary code.

- **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:** 7 Jan 2024
- **Updated:** 2 Aug 2024
- **Also known as:** GHSA-cvvm-x945-2wwp

## What is CVE-2023-7208?

CVE-2023-7208 is a high-severity memory corruption vulnerability in Totolink X2000R_V2, published on 7 Jan 2024. It can only be exploited from the same machine or local network, with no action from the victim.

### Official description

A vulnerability classified as critical was found in Totolink X2000R_V2 2.0.0-B20230727.10434. This vulnerability affects the function formTmultiAP of the file /bin/boa. The manipulation leads to buffer overflow. VDB-249742 is the identifier assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Weakness: CWE-787 (Out-of-bounds Write), CWE-120 (Buffer Copy without Checking Size of Input)

## Which versions are affected by CVE-2023-7208?

It affects 1 product.


Products: Totolink X2000r Firmware.

## How do I fix CVE-2023-7208?

No fix has been published for CVE-2023-7208 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-7208 being exploited?

There is no known exploitation of CVE-2023-7208 in the wild and no public exploit code.

## Other vulnerabilities in Totolink X2000R_V2

- [CVE-2024-22529](https://insights.sbomify.com/CVE-2024-22529/): Command injection in n/a (critical 9.8)
- [CVE-2023-51133](https://insights.sbomify.com/CVE-2023-51133/): Memory corruption in n/a (critical 9.8)
- [CVE-2023-51135](https://insights.sbomify.com/CVE-2023-51135/): Memory corruption in n/a (critical 9.8)
- [CVE-2023-51136](https://insights.sbomify.com/CVE-2023-51136/): Memory corruption in n/a (critical 9.8)
- [CVE-2023-46545](https://insights.sbomify.com/CVE-2023-46545/): Memory corruption in n/a (critical 9.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-7208 and fix it if it is affected.

What it is: CVE-2023-7208 is a high-severity memory corruption vulnerability in Totolink X2000R_V2, published on 7 Jan 2024. It can only be exploited from the same machine or local network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2023-7208 in the wild and no public exploit code.

Affected product: Totolink X2000R_V2. 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-2023-7208/ (Markdown: https://insights.sbomify.com/CVE-2023-7208/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-7208
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-7208
- OSV: https://osv.dev/vulnerability/CVE-2023-7208

---
From sbomify Insights: https://insights.sbomify.com/CVE-2023-7208/
Summaries are generated and may contain mistakes; the official description above is the record.