CVE-2025-22894
Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.
NVD · uneditedUnprotected Windows messaging channel ('Shatter') issue exists in Defense Platform Home Edition Ver.3.9.51.x and earlier. If an attacker sends a specially crafted message to the specific process of the Windows system where the product is running, arbitrary files in the system may be altered. As a result, an arbitrary DLL may be executed with SYSTEM privilege.
Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.
dbcve analysis · high confidenceThis is a classic Windows 'Shatter' vulnerability where an unprotected Windows messaging channel allows an attacker to send specially crafted messages to a specific process. The vulnerability enables arbitrary file modification on the system and DLL execution with SYSTEM privileges.
Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.
Affected products & versions What the vendor confirmedThe version ranges the vendor confirmed as vulnerable. If your version sits inside a range here, treat yourself as exposed until you have upgraded.
NVD · CPE data<= 3.9.51.0CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.
From the vector- Attack vector
- Local
- Complexity
- Low
- Privileges
- Low
- User interaction
- None
- Scope
- Changed
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.
dbcve checksWork through these to decide whether this CVE applies to you.
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Identify installed Hummingheads Defense Platform versionOpen Windows Control Panel, go to Programs and Features, or use 'wmic product get name,version' command to list installed software and locate Hummingheads Defense Platform. Alternatively, check the application's About or Help section within the GUI.Affected if The displayed version number is 3.9.51.0 or lower.
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Confirm application is running as a serviceOpen Windows Task Manager, go to the Services tab, or use Services.msc to locate the Hummingheads Defense Platform service. Check the 'Log On As' column to see if it runs under SYSTEM or another elevated account.Affected if The service runs under the SYSTEM account or another privileged local account.
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Verify the vulnerable messaging component is activeUse Process Explorer or Process Monitor from Sysinternals to observe the running process for Hummingheads Defense Platform. Look for any registered window classes or message hooks associated with the application process.Affected if The application exposes a window message handling interface that accepts external messages.
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Check for any exposed inter-process communicationUse tools like Process Explorer to examine the process properties and look for named pipes, window handles, or other IPC mechanisms that may be accessible to other processes on the system.Affected if The application has accessible messaging endpoints visible to other local processes.
You are affected if Hummingheads Defense Platform version 3.9.51.0 or lower is installed and running as a service with SYSTEM privileges, exposing a window message interface to other local processes.
Generated from the published advisory. Verify against your own configuration.
Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.
From vendor dataThe vendor should implement proper Windows message validation and filtering to reject unexpected messages, and users should update to version 3.9.52 or later once available. Network segmentation may help limit attack surface.
- Consultation6.0 h
- Implementation12.0 h
- Testing6.0 h
- Review / QA4.0 h
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Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2025-22894 — or any other known-vulnerable package — straight from your lock files. Free and open source; it runs locally and uploads nothing.
References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.
Primary sourcesPractitioner notes
ContributedPeer-ranked notes from engineers who’ve handled CVE-2025-22894 in production — separate from our analysis above.
The advisory tells you what broke. It rarely tells you what actually worked. If you’ve dealt with this one, that detail is what the next engineer is searching for.
- The version that genuinely resolved it — not the one the vendor claimed
- A config change or rule that shut the vector down
- A gotcha in the upgrade path that cost you an afternoon
No notes yet
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- Verified mitigations, workarounds, and config changes
- Version or environment caveats, and links to real fixes
- No weaponised exploit code, or anything meant to cause harm
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