CVE-2025-2753— Open Asset Import Library Assimp LWS File LWSLoader.cpp MergeScenes out-of-bounds
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（assimp） 5.4.3版本存在缓冲区错误漏洞，该漏洞源于存在越界读取。
Possible ATT&CK Techniques 2 AI
T1203 · Exploitation for Client Execution T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2025-2753
Vulnerability Information
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Vulnerability Title
Open Asset Import Library Assimp LWS File LWSLoader.cpp MergeScenes out-of-bounds
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was found in Open Asset Import Library Assimp 5.4.3. It has been classified as critical. Affected is the function SceneCombiner::MergeScenes of the file code/AssetLib/LWS/LWSLoader.cpp of the component LWS File Handler. The manipulation leads to out-of-bounds read. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
跨界内存读
Source: CVE Program / CVE List V5
Vulnerability Title
Open Asset Import Library（assimp） 缓冲区错误漏洞
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（assimp） 5.4.3版本存在缓冲区错误漏洞，该漏洞源于存在越界读取。
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-2025-2753
| # | POC Description | Source Link | Shenlong Link |
|---|
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Patches & Fixes for CVE-2025-2753 (1)
Vendor Advisories for CVE-2025-2753 (3)
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CVE-2025-2753 Open Asset Import Library Assimp LWS File LWSLoader.cpp MergeScenes out-of-bounds (Issue 6014) signature permissions-required
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Submit #517787: Open Asset Import Library Assimp >=5.4.3 Out-of-Bounds Read third-party-advisory
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CVE-2025-2753 Open Asset Import Library Assimp LWS File LWSLoader.cpp MergeScenes out-of-bounds (Issue 6014) vdb-entry technical-description
Other References for CVE-2025-2753 (1)
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Bug: Out-of-bounds Read in Assimp::SceneCombiner::Copy · Issue #6014 · assimp/assimp exploit issue-tracking
Same Patch Batch · Open Asset Import Library · 2025-03-25 · 8 CVEs total
| CVE-2025-2750 | 6.3 MEDIUM | Open Asset Import Library Assimp CSM File CSMLoader.cpp InternReadFile out-of-bounds write |
| CVE-2025-2754 | 6.3 MEDIUM | Open Asset Import Library Assimp AC3D File ACLoader.cpp ConvertObjectSection heap-based ov |
| CVE-2025-2755 | 6.3 MEDIUM | Open Asset Import Library Assimp AC3D File ACLoader.cpp ConvertObjectSection out-of-bounds |
| CVE-2025-2756 | 6.3 MEDIUM | Open Asset Import Library Assimp AC3D File ACLoader.cpp ConvertObjectSection heap-based ov |
| CVE-2025-2757 | 6.3 MEDIUM | Open Asset Import Library Assimp MD5 File MD5Parser.cpp AI_MD5_PARSE_STRING_IN_QUOTATION h |
| CVE-2025-2751 | 4.3 MEDIUM | Open Asset Import Library Assimp CSM File CSMLoader.cpp InternReadFile out-of-bounds |
| CVE-2025-2752 | 4.3 MEDIUM | Open Asset Import Library Assimp CSM File fast_atof.h fast_atoreal_move out-of-bounds |
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V. Comments for CVE-2025-2753
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