Overview
The common vulnerabilities and exposures (CVE) system has recently identified a significant vulnerability, CVE-2025-6631, that impacts certain Autodesk products. The vulnerability is related to the parsing of a maliciously crafted PRT file which can result in an Out-of-Bounds Write vulnerability. This is an issue of concern for organizations and individuals using affected Autodesk products as it poses a serious threat to the security of their systems and data.
This flaw, if successfully exploited by a malicious actor, can lead to a system crash, data corruption, or even the execution of arbitrary code in the context of the current process. As such, the impact of this vulnerability is extensive, potentially leading to system compromise and data leakage, thereby significantly undermining data integrity and system stability.
Vulnerability Summary
CVE ID: CVE-2025-6631
Severity: High (7.8 CVSS Score)
Attack Vector: PRT file
Privileges Required: None
User Interaction: Required
Impact: System crash, data corruption, execution of arbitrary code, potential system compromise, and data leakage
Affected Products
Escape the Surveillance Era
Most apps won’t tell you the truth.
They’re part of the problem.
Phone numbers. Emails. Profiles. Logs.
It’s all fuel for surveillance.
Ameeba Chat gives you a way out.
- • No phone number
- • No email
- • No personal info
- • Anonymous aliases
- • End-to-end encrypted
Chat without a trace.
Product | Affected Versions
Autodesk AutoCAD | All versions prior to 2025
Autodesk 3ds Max | All versions prior to 2025
How the Exploit Works
The exploit works by a malicious actor crafting a PRT file that contains specific code designed to trigger an Out-of-Bounds Write vulnerability when parsed by the affected Autodesk products. The parsing of this malicious file can cause the software to write data beyond its allocated memory buffer, leading to a number of potential malicious outcomes including a system crash, data corruption, or arbitrary code execution.
Conceptual Example Code
Here is a conceptual example of how the vulnerability might be exploited. It’s important to note that this is a hypothetical scenario and not an actual code snippet:
POST /upload/prt HTTP/1.1
Host: target.example.com
Content-Type: application/prt
{ "malicious_prt_payload": "..." }In this example, the malicious actor would send a POST request to an endpoint that accepts PRT files on the target server. The content of the request contains the malicious PRT file payload that, when parsed by the victim’s Autodesk software, would trigger the vulnerability and lead to any of the potential impacts described above.
