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.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
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
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.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2026-94137 being exploited?
There is no known exploitation of CVE-2026-94137 in the wild and no public exploit code.
Sources
Also known as GHSA-q39j-7435-mjr2.