CVE-2025-29547Public exploit

Service interruption via null-pointer driver IOCTL

Published Apr 22, 2025 · Updated Apr 22, 2025

Null pointer dereference in shieldm.sys in Horizon DataSys RollBack Rx Professional 12.8.0.0 allows local users to interrupt the system. The driver dereferences a null pointer while processing IOCTL 0x96202000, causing a kernel-level denial of service. Access to the installed Windows driver is required; public sources do not specify whether the interruption is a hang, crash, or reboot.

CVSS severity7.0
High
EPSS probability0.34%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Null pointer dereference in shieldm.sys in Horizon DataSys RollBack Rx Professional 12.8.0.0 allows local users to interrupt the system. The driver dereferences a null pointer while processing IOCTL 0x96202000, causing a kernel-level denial of service. Access to the installed Windows driver is required; public sources do not specify whether the interruption is a hang, crash, or reboot.

The record

CVE
CVE-2025-29547
Published
Apr 22, 2025
Updated
Apr 22, 2025
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-476
Attack vector
local
Privileges
authenticated

Timeline

How it unfolded

  1. Apr 22, 2025CVE publishedPublication date reported by the CVE source.
  2. Apr 22, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Affected buildAffected product and version details are unavailable.

What conditions does exploitation require?

Attack vectorlocal
Required privilegesauthenticated

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

7.0CISA-ADPCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-476NULL Pointer Dereference

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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