CVE Alert: CVE-2025-54260 – Adobe – Substance3D – Modeler
CVE-2025-54260
Substance3D – Modeler versions 1.22.2 and earlier are affected by an out-of-bounds read vulnerability when parsing a crafted file, which could result in a read past the end of an allocated memory structure. An attacker could leverage this vulnerability to execute code 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 local code execution if a user opens a crafted Substance3D Modeler file; no confirmed active exploitation campaign is indicated by SSVC/ADP signals at present.
Why this matters
An attacker could run arbitrary code in the current user context, risking data exposure, asset compromise, or footholds within design pipelines. The need for user interaction elevates the likelihood of successful initial access in targeted staff and contractors who handle external files.
Most likely attack path
Exploitation requires local access and a user to open a malicious file (UI: REQUIRED, PR: NONE). With an out-of-bounds read in the parser, code execution could occur without privilege escalation, but the attacker would rely on social engineering or spear-phishing to deliver the payload. The impact remains high and scope stays unchanged, making containment reliant on user education and timely patching.
Who is most exposed
Creative teams and organisations using Substance3D Modeler in Windows/macOS workflows, especially where files are exchanged via shared drives or external collaborators.
Detection ideas
- Monitor Substance3D Modeler process crashes or memory fault dumps after file opens.
- Alerts for abnormal memory access patterns in the parser module or crash events tied to file import.
- Unusual process trees or rapid file-open events preceding a crash.
- Look for attempts to parse anomalous or crafted .modeler files reported by vendors.
Mitigation and prioritisation
- Apply the vendor patch to the fixed version (upgrade to the latest release).
- Enable sandboxing and restrict direct opening of untrusted files; use application allow-lists.
- Enforce least-privilege accounts and user education on opening external files.
- Implement robust EDR/monitoring focused on parsing, memory faults, and crash dumps from the affected tool.
- Schedule testing and deployment via change management; rotate assets in staging before organisation-wide rollout.
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