# CVE-2024-12653: FabulaTech USB over Network IOCT ftusbbus2.sys 0x22040C null pointer dereference

> A local attacker can cause a denial of service via null pointer dereference in FabulaTech USB over Network's IOCT handler.

- **Severity:** Medium 6.8 (`CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N`)
- **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:** 16 Dec 2024
- **Updated:** 16 Dec 2024
- **Also known as:** GHSA-2794-c693-53gf

## What is CVE-2024-12653?

CVE-2024-12653 is a medium-severity vulnerability in FabulaTech USB over Network, published on 16 Dec 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 problematic has been found in FabulaTech USB over Network 6.0.6.1. Affected is the function 0x22040C in the library ftusbbus2.sys of the component IOCT Handler. The manipulation leads to null pointer dereference. Local access is required to approach this attack. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Weakness: CWE-476 (NULL Pointer Dereference), CWE-404 (Improper Resource Shutdown or Release)

## Which versions are affected by CVE-2024-12653?

It affects 1 product.


Products: Fabulatech Usb Over Network.

## How do I fix CVE-2024-12653?

No fix has been published for CVE-2024-12653 yet. Limit exposure of the affected software until one is available.

## Is CVE-2024-12653 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2024-12653 exists.

## Other vulnerabilities in FabulaTech USB over Network

- [CVE-2024-12654](https://insights.sbomify.com/CVE-2024-12654/): FabulaTech USB over Network IOCT ftusbbus2.sys 0x220408 null pointer dereference (medium 6.8)
- [CVE-2024-12655](https://insights.sbomify.com/CVE-2024-12655/): FabulaTech USB over Network IOCT ftusbbus2.sys 0x220420 null pointer dereference (medium 6.8)
- [CVE-2024-12656](https://insights.sbomify.com/CVE-2024-12656/): FabulaTech USB over Network IOCT ftusbbus2.sys 0x220448 null pointer dereference (medium 6.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2024-12653 and fix it if it is affected.

What it is: CVE-2024-12653 is a medium-severity vulnerability in FabulaTech USB over Network, published on 16 Dec 2024. 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-2024-12653 exists.

Affected product: FabulaTech USB over Network. 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-2024-12653/ (Markdown: https://insights.sbomify.com/CVE-2024-12653/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2024-12653
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2024-12653
- OSV: https://osv.dev/vulnerability/CVE-2024-12653

---
From sbomify Insights: https://insights.sbomify.com/CVE-2024-12653/
Summaries are generated and may contain mistakes; the official description above is the record.