CVE-2025-3549— Open Asset Import Library Assimp File MD3Loader.cpp ValidateSurfaceHeaderOffsets heap-based overflow
Quick assessment
Affected
Open Asset Import Library Assimp
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Open Asset Import Library（assimp）是Open Asset Import Library开源的一个库。 Open Asset Import Library 5.4.3版本存在安全漏洞，该漏洞源于文件code/AssetLib/MD3/MD3Loader.cpp中存在堆缓冲区溢出。
Possible ATT&CK Techniques 1 AI
T1203 · Exploitation for Client Execution
Get alerts for future matching vulnerabilities
Log in to subscribe
I. Basic Information for CVE-2025-3549
Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗
Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.
Vulnerability Title
Open Asset Import Library Assimp File MD3Loader.cpp ValidateSurfaceHeaderOffsets heap-based overflow
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
堆缓冲区溢出
Source: CVE Program / CVE List V5
Vulnerability Title
Open Asset Import Library 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Open Asset Import Library（assimp）是Open Asset Import Library开源的一个库。 Open Asset Import Library 5.4.3版本存在安全漏洞，该漏洞源于文件code/AssetLib/MD3/MD3Loader.cpp中存在堆缓冲区溢出。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Open Asset Import Library | Assimp | 5.4.3 | - |
|
II. Public POCs for CVE-2025-3549
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
Premium
No public POC found.
Login to generate AI POCIII. Intelligence Information for CVE-2025-3549
请登录查看更多情报信息。
Vendor Advisories for CVE-2025-3549 (1)
-
Submit #546414: Open Asset Import Library Assimp 5.4.3 Heap-based Buffer Overflow third-party-advisory
Other References for CVE-2025-3549 (1)
Other References for CVE-2025-3549 (1)
IV. Related Vulnerabilities
Same product: Assimp
-
CVE-2026-111129
Assimp through 6.0.5 NULL Pointer Dereference via Ogre Anima -
CVE-2026-111128
Assimp through 6.0.5 NULL Pointer Dereference via Ogre Impor -
CVE-2026-108573
Open Asset Import Library Assimp PLY File getNextBlock out-o -
CVE-2026-82591
Open Asset Import Library Assimp MD5Loader.cpp MakeDataUniqu -
CVE-2026-19999
Open Asset Import Library Assimp 3DGS MDL7 Bone Transformati
Same vendor: Open Asset Import Library
-
CVE-2026-108573
Open Asset Import Library Assimp PLY File getNextBlock out-o -
CVE-2026-82591
Open Asset Import Library Assimp MD5Loader.cpp MakeDataUniqu -
CVE-2026-19970
Open Asset Import Library Assimp Node MDLLoader.cpp AddBones -
CVE-2026-19969
Open Asset Import Library Assimp 3DGS MDL7 Model Output Mesh -
CVE-2026-19968
Open Asset Import Library Assimp 3DGS MDL7 Model LWOLoader.h
Same weakness: CWE-122
-
CVE-2026-111458
ssldump Heap Buffer Overflow in FAN/1 X.509 Fingerprint Form -
CVE-2026-111381
FreeRDP before 3.32.0 Heap Buffer Overflow via Persistent Ca -
CVE-2026-111379
FreeRDP before 3.32.0 Heap Buffer Overflow via persistent_ca -
CVE-2026-108450
Microsoft Office Word Remote Code Execution Vulnerability -
CVE-2026-108449
Microsoft Office Word Remote Code Execution Vulnerability
V. Comments for CVE-2025-3549
No comments yet