Buffer overflow in Autodesk 3ds Max
CVE-2025-6631
A maliciously crafted PRT file, when parsed through certain Autodesk products, can force an Out-of-Bounds Write vulnerability. A malicious actor may leverage this vulnerability to cause a crash, cause data corruption, or execute arbitrary code in the context of the current process.
Vulnerability class: Buffer Overflow
EPSS: 0.002 (5.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
Affected products
- Autodesk 3ds_max — versions 2026
- Autodesk Advance_steel — versions 2026
- Autodesk Autocad — versions 2026
- Autodesk Autocad_architecture — versions 2026
- Autodesk Autocad_electrical — versions 2026
- Autodesk Autocad_map_3d — versions 2026
- Autodesk Autocad_mechanical — versions 2026
- Autodesk Autocad_mep — versions 2026
- Autodesk Autocad_plant_3d — versions 2026
- Autodesk Civil_3d — versions 2026
Weakness classification (CWE)
Public proof-of-concept exploits
References
- psirt@autodesk.com (patch)
- psirt@autodesk.com (vendor-advisory, Vendor Advisory)
Frequently asked questions
- What is CVE-2025-6631?
- CVE-2025-6631 is a high-severity vulnerability in Autodesk 3ds Max, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2025-07-29.
- How severe is CVE-2025-6631?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2025-6631 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.