Substance3D - Viewer | Stack-based Buffer Overflow (CWE-121)

published 2025-10-14 12 mo ago modified 2026-10-08 32 d ago also EUVD-2025-34449

cvss: 7.8; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.2%; EPSS 0.2% chance of exploitation in 30 days, percentile 15%
public exploits: 0; none known

Substance3D - Viewer versions 0.25.2 and earlier are affected by a Stack-based Buffer Overflow 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.

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: total
Assessed: 12 mo ago (2025-10-16)

Exploit prediction

0.24% chance of exploitation in the next 30 days, higher than 15% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	7.8	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected products

Adobe Substance3D - Viewer

Classification

Weakness

CWE-121 Stack-based Buffer Overflow

References

helpx.adobe.com /security/products/substance3d-viewer/apsb25-99.html
vendor-advisory

Sources

CVE List CVE-2025-54274
NVD CVE-2025-54274

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary