# CVE-2026-22900: QuNetSwitch

> Remote attackers can gain unauthorized access to QNAP QuNetSwitch devices due to hard-coded credentials.

- **Severity:** Medium 6.8 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N/E:U`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 20 Mar 2026
- **Updated:** 25 Mar 2026
- **Also known as:** GHSA-x6cr-668f-4m47

## What is CVE-2026-22900?

CVE-2026-22900 is a medium-severity vulnerability in QNAP Systems Inc. QuNetSwitch, published on 20 Mar 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

A use of hard-coded credentials vulnerability has been reported to affect QuNetSwitch. The remote attackers can then exploit the vulnerability to gain unauthorized access.

We have already fixed the vulnerability in the following version:
QuNetSwitch 2.0.5.0906 and later

Weakness: CWE-798 (Use of Hard-coded Credentials)

## Which versions are affected by CVE-2026-22900?

It affects 1 product.


Products: Qnap Qunetswitch.

## How do I fix CVE-2026-22900?

No fix has been published for CVE-2026-22900 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-22900 being exploited?

There is no known exploitation of CVE-2026-22900 in the wild and no public exploit code.

## Other vulnerabilities in QNAP Systems Inc. QuNetSwitch

- [CVE-2026-22897](https://insights.sbomify.com/CVE-2026-22897/): QuNetSwitch (high 8.1)
- [CVE-2026-22901](https://insights.sbomify.com/CVE-2026-22901/): QuNetSwitch (medium 6.3)
- [CVE-2026-22902](https://insights.sbomify.com/CVE-2026-22902/): QuNetSwitch (medium 5.7)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-22900 and fix it if it is affected.

What it is: CVE-2026-22900 is a medium-severity vulnerability in QNAP Systems Inc. QuNetSwitch, published on 20 Mar 2026. 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-2026-22900 in the wild and no public exploit code.

Affected product: QNAP Systems Inc. QuNetSwitch. 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-2026-22900/ (Markdown: https://insights.sbomify.com/CVE-2026-22900/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-22900
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-22900
- OSV: https://osv.dev/vulnerability/CVE-2026-22900

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-22900/
Summaries are generated and may contain mistakes; the official description above is the record.