CVE Alert: CVE-2025-54259 – Adobe – Substance3D – Modeler
CVE-2025-54259
Substance3D – Modeler versions 1.22.2 and earlier are affected by an Integer Overflow or Wraparound 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. Scope is unchanged.
AI Summary Analysis
Risk verdict
High risk of arbitrary code execution in the user’s context if a malicious Substance3D Modeler file is opened; exploitation requires user interaction, but the impact is severe and no active campaigns are confirmed in the provided data.
Why this matters
An attacker could run malware, exfiltrate data, or establish footholds on affected hosts after a user opens a poisoned file. In studios or organisations with shared design pipelines, the risk scales as files traverse untrusted sources and multiple endpoints.
Most likely attack path
Preconditions: local access to a workstation with the software installed; user is enticed to open a crafted file. The exploit relies on user interaction (UI:R) and requires no privileges (PR:N); the attack scope remains unchanged. Once the file is opened, code executes in the attacker’s context, potentially enabling persistence or data access within the user session.
Who is most exposed
Any organisation deploying Substance3D Modeler, especially design studios and teams that exchange model assets via email or cloud storage, on Windows or macOS endpoints.
Detection ideas
- Crashes or memory anomalies in Substance3D Modeler shortly after opening a file from an untrusted source.
- Unusual child processes or payloads spawned by the application post-file-open.
- Unexpected writes to temp/user folders or new executables launched from the application.
- Alerts for atypical file- or asset-loading patterns from external sources.
Mitigation and prioritisation
- Apply the vendor patch/update to the latest released build; treat as priority 2 until patched.
- Enable application control and sandboxing for Substance3D Modeler; restrict file origins and auto-run behaviours.
- Enforce email/file hygiene: block or scan attachments, and educate users about opening unsolicited model files.
- Use EDR/EDR-like detection to monitor for post-open execution anomalies and memory faults.
- Schedule rapid patching within the next maintenance window; verify fixes in a test group before broad rollout.
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