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CVE-2026-94137 Hangzhou Shunwang Technology CVE debrief

A vulnerability was identified in Hangzhou Shunwang Technology shzh 10.7.2.693, affecting the function sub_180004AC0 of the file shdrv_x64.sys in the IRP_MJ_DEVICE_CONTROL Handler component. The manipulation of the argument PID leads to denial of service. The attack must be carried out locally. This vulnerability is a low-severity issue that may allow denial of service attacks, requiring defenders to assess exposure, verify patch availability, and monitor system logs for potential attacks.

Vendor
Hangzhou Shunwang Technology
Product
shzh
CVSS
LOW 1.9
CISA KEV
Not listed in stored evidence
Original CVE published
2026-09-21
Original CVE updated
2026-09-21
Advisory published
2026-09-21
Advisory updated
2026-09-21

Who should care

Defenders responsible for systems using Hangzhou Shunwang Technology shzh 10.7.2.693 should assess exposure and verify patch availability. They should also monitor system logs for potential denial of service attacks and review compensating controls for exposed systems while remediation is scheduled and verified. Additionally, defenders should track exceptions, retest remediated assets, and close the item only after evidence is documented.

Why it matters

CVE-2026-94137 is a low-severity vulnerability in Hangzhou Shunwang Technology shzh 10.7.2.693 that may allow denial of service attacks. Defenders should assess exposure, verify patch availability, and monitor system logs.

  • Denial of service attacks may be possible through manipulation of the PID argument
  • Verification of patch availability and application is necessary to prevent potential attacks
  • Monitoring system logs for potential denial of service attacks is recommended

Technical summary

The vulnerability affects the function sub_180004AC0 of the file shdrv_x64.sys of the component IRP_MJ_DEVICE_CONTROL Handler in Hangzhou Shunwang Technology shzh 10.7.2.693. The manipulation of the argument PID leads to denial of service. This is a low-severity vulnerability that requires defenders to assess exposure, verify patch availability, and monitor system logs for potential denial of service attacks. The vulnerability has a CVSS score of 1.9 and a CVSS severity of LOW, indicating a low-priority vulnerability assessment and patching recommended for systems using Hangzhou Shunwang Technology shzh 10.7.2.693.

Defensive priority

Low-priority vulnerability assessment and patching recommended for systems using Hangzhou Shunwang Technology shzh 10.7.2.693.

Recommended defensive actions

  • Assess exposure for systems using Hangzhou Shunwang Technology shzh 10.7.2.693
  • Verify patch availability and apply if necessary
  • Monitor system logs for potential denial of service attacks
  • Review compensating controls for exposed systems while remediation is scheduled and verified
  • Check relevant monitoring, detection, and logs for exposed assets that need extra review
  • Track exceptions, retest remediated assets, and close the item only after evidence is documented
  • Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up

Evidence notes

The CVE record and NVD entry provide limited information about the vulnerability. Further verification is required to determine the affected scope and remediation. The source details are limited, and explicit evidence-limit language and defensive verification tasks are necessary to ensure accurate understanding of the vulnerability. The vulnerability affects Hangzhou Shunwang Technology shzh 10.7.2.693, and defenders should verify patch availability and apply if necessary.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-94137 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-94137

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-94137 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-94137

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.