CVE-2025-54243
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 · uneditedSubstance3D - Viewer versions 0.25.1 and earlier are affected by an out-of-bounds write vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
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 confidenceAn out-of-bounds write vulnerability exists in Adobe Substance3D Viewer versions 0.25.1 and earlier. The vulnerability allows arbitrary code execution in the context of the current user when a victim opens a specially crafted malicious file.
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< 0.25.2CVSS 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
- None
- User interaction
- Required
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/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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Verify Adobe Substance3D Viewer is installedCheck installed programs on the system - on Windows use Add/Remove Programs or Settings > Apps & Features, on macOS check the Applications folder for Adobe Substance3D Viewer.appAffected if The application is present on the system
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Determine installed version numberOpen Adobe Substance3D Viewer and navigate to Help > About, or right-click the application in installed programs list to view version detailsAffected if The displayed version is 0.25.1 or earlier (any version below 0.25.2)
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Confirm version against affected rangeCompare the identified version number to the affected range: versions prior to 0.25.2 are vulnerableAffected if Installed version is less than 0.25.2
A user is affected if Adobe Substance3D Viewer is installed and the version is 0.25.1 or any earlier version.
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.
dbcve · scoped0.25.2
Users should update Substance3D Viewer to a version newer than 0.25.1 when available, and avoid opening files from untrusted sources.
Substance 3D Viewer 0.25.2
- Verify current version of Substance 3D Viewer by opening the application and navigating to Help > About (or checking the application info)
- Navigate to the official Adobe download page for Substance 3D Viewer at helpx.adobe.com
- Download Substance 3D Viewer version 0.25.2 or later
- Close any running instances of Substance 3D Viewer
- Install the downloaded update by running the installer and following the on-screen prompts
- Restart the application and confirm the version has been updated to 0.25.2 or later
Generated from the published advisory — verify against the referenced sources before acting.
- Consultation2.0 h
- Implementation4.0 h
- Testing2.0 h
- Review / QA1.0 h
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Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2025-54243 — 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-2025-54243 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
- No spam, self-promotion, credentials, or personal data