# CVE-2025-44008: Qsync Central

> A remote attacker with a user account can cause a denial-of-service in Qsync Central via a NULL pointer dereference.

- **Severity:** Medium 5.3 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 3 Oct 2025
- **Updated:** 3 Oct 2025
- **Also known as:** GHSA-qxjq-wg28-655w

## What is CVE-2025-44008?

CVE-2025-44008 is a medium-severity vulnerability in Qnap Qsync Central, published on 3 Oct 2025. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

A NULL pointer dereference vulnerability has been reported to affect Qsync Central. If a remote attacker gains a user account, they can then exploit the vulnerability to launch a denial-of-service (DoS) attack.

We have already fixed the vulnerability in the following version:
Qsync Central 5.0.0.1 ( 2025/07/09 ) and later

Weakness: CWE-476 (NULL Pointer Dereference)

## Which versions are affected by CVE-2025-44008?

It affects 1 product.


Products: Qnap Qsync Central.

## How do I fix CVE-2025-44008?

No fix has been published for CVE-2025-44008 yet. Limit exposure of the affected software until one is available.

## Is CVE-2025-44008 being exploited?

There is no known exploitation of CVE-2025-44008 in the wild and no public exploit code.

## Other vulnerabilities in Qnap Qsync Central

- [CVE-2025-29892](https://insights.sbomify.com/CVE-2025-29892/): Qsync Central (high 8.7)
- [CVE-2025-53595](https://insights.sbomify.com/CVE-2025-53595/): Qsync Central (high 8.6)
- [CVE-2025-54153](https://insights.sbomify.com/CVE-2025-54153/): Qsync Central (high 8.6)
- [CVE-2025-30277](https://insights.sbomify.com/CVE-2025-30277/): Qsync Central (high 8.3)
- [CVE-2025-30278](https://insights.sbomify.com/CVE-2025-30278/): Qsync Central (high 8.3)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2025-44008 and fix it if it is affected.

What it is: CVE-2025-44008 is a medium-severity vulnerability in Qnap Qsync Central, published on 3 Oct 2025. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2025-44008 in the wild and no public exploit code.

Affected product: Qnap Qsync Central. 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-2025-44008/ (Markdown: https://insights.sbomify.com/CVE-2025-44008/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2025-44008
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2025-44008
- OSV: https://osv.dev/vulnerability/CVE-2025-44008

---
From sbomify Insights: https://insights.sbomify.com/CVE-2025-44008/
Summaries are generated and may contain mistakes; the official description above is the record.