CVE-2025-3549

Name: CVE-2025-3549
Creator: NVD / NIST
Published: 2025-04-14T03:15:16.823+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

LOWCVSS 1.9/10EPSS 0.23%

Last modified Jun 17, 2026

CVE-2025-3549 is a low-severity vulnerability rated 1.9/10 on the CVSS scale. A vulnerability, which was classified as critical, was found in Open Asset Import Library Assimp 5.4.3. Affected is the function Assimp::MD3Importer::ValidateSurfaceHeaderOffsets of the file code/AssetLib/MD3/MD3Loader.cpp of the component File Handler. EPSS estimates a 0.23% chance of exploitation in the next 30 days.

Description

A vulnerability, which was classified as critical, was found in Open Asset Import Library Assimp 5.4.3. Affected is the function Assimp::MD3Importer::ValidateSurfaceHeaderOffsets of the file code/AssetLib/MD3/MD3Loader.cpp of the component File Handler. The manipulation leads to heap-based buffer overflow. The attack needs to be approached locally. The exploit has been disclosed to the public and may be used.

Metrics

CVSS 3.1

3.3/10

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

CVSS 4.0

1.9/10

CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS Probability

0.23%

13.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Assimp	Assimp	5.4.3

References

https://github.com/assimp/assimp/issues/6070Exploit, Issue Tracking
https://github.com/user-attachments/files/19580481/Assimp_MD3Importer_ValidateSurfaceHeaderOffsets-hbo.zipExploit
https://vuldb.com/?ctiid.304590Permissions Required, VDB Entry
https://vuldb.com/?id.304590Third Party Advisory, VDB Entry
https://vuldb.com/?submit.546414Third Party Advisory, VDB Entry

Timeline

Published: Apr 14, 2025
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2025-3549?

How severe is CVE-2025-3549?

CVE-2025-3549 has a CVSS score of 1.9/10 (LOW severity). The EPSS model estimates a 0.23% probability of exploitation in the next 30 days.

How do I fix CVE-2025-3549?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-3549?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST