# CVE-2026-94137: Hangzhou Shunwang Technology shzh IRP_MJ_DEVICE_CONTROL shdrv_x64.sys sub_180004AC0 denial of service

> A local attacker can cause a denial of service in the Hangzhou Shunwang Technology shzh driver by manipulating the PID argument in the IRP_MJ_DEVICE_CONTROL handler.

- **Severity:** Medium 4.8 (`CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P`)
- **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:** 21 Sep 2026
- **Updated:** 24 Sep 2026
- **Also known as:** GHSA-q39j-7435-mjr2

## What is CVE-2026-94137?

CVE-2026-94137 is a medium-severity denial of service vulnerability in Hangzhou Shunwang Technology shzh, published on 21 Sep 2026. It can only be exploited from the same machine or local network, with no action from the victim.

### Official description

A vulnerability was identified in Hangzhou Shunwang Technology shzh 10.7.2.693. This affects the function sub_180004AC0 of the file shdrv_x64.sys of the component IRP_MJ_DEVICE_CONTROL Handler. The manipulation of the argument PID leads to denial of service. The attack must be carried out locally.

Weakness: CWE-404 (Improper Resource Shutdown or Release)

## Which versions are affected by CVE-2026-94137?


## How do I fix CVE-2026-94137?

No fix has been published for CVE-2026-94137 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-94137 being exploited?

There is no known exploitation of CVE-2026-94137 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-94137 and fix it if it is affected.

What it is: CVE-2026-94137 is a medium-severity denial of service vulnerability in Hangzhou Shunwang Technology shzh, published on 21 Sep 2026. 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-2026-94137 in the wild and no public exploit code.

Affected product: Hangzhou Shunwang Technology shzh. 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-2026-94137/ (Markdown: https://insights.sbomify.com/CVE-2026-94137/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-94137
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-94137
- OSV: https://osv.dev/vulnerability/CVE-2026-94137

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-94137/
Summaries are generated and may contain mistakes; the official description above is the record.