CVE-2025-2753

MEDIUM LAB

Open Asset Import Library Assimp 5.4.3 - Out-of-Bounds Read in LWS File Handler

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2025-2753. PoCs published by exploitintel.

AI-analyzed exploit summary The repository contains functional exploit code demonstrating CVE-2025-2753, an uninitialized pointer array vulnerability in the Assimp LWS importer leading to out-of-bounds read and DoS. Multiple PoC scripts and detailed analysis documents are included.

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.

Exploits (1)

github WORKING POC 1 stars
by exploitintel · pythonpoc
https://github.com/exploitintel/eip-pocs-and-cves/tree/main/CVE-2025-2753

The repository contains functional exploit code demonstrating CVE-2025-2753, an uninitialized pointer array vulnerability in the Assimp LWS importer leading to out-of-bounds read and DoS. Multiple PoC scripts and detailed analysis documents are included.

Classification
Working Poc 100%
Attack Type
Dos
Complexity
Moderate
Reliability
Reliable
Target: Open Asset Import Library (assimp) v5.4.3 through v6.0.4
No auth needed
Prerequisites: malformed LWS file · victim application using assimp
devstral-2 · analyzed Mar 02, 2026 Full analysis →

References (5)

Core 5
Core References
Third Party Advisory, VDB Entry vdb-entry technical-description
https://vuldb.com/?id.300858
Permissions Required, VDB Entry signature permissions-required
https://vuldb.com/?ctiid.300858
Third Party Advisory, VDB Entry third-party-advisory
https://vuldb.com/?submit.517787
Exploit, Issue Tracking issue-tracking
https://github.com/assimp/assimp/issues/6014
Exploit, Issue Tracking exploit issue-tracking
https://github.com/assimp/assimp/issues/6014#issue-2877372462

Scores

CVSS v3 6.3
EPSS 0.0043
EPSS Percentile 34.1%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact partial

Lab Environment

EIP LAB
Docker Lab
patched docker pull ghcr.io/exploitintel/cve-2025-2753-patched:latest
vulnerable docker pull ghcr.io/exploitintel/cve-2025-2753-vulnerable:latest

Details

CWE
CWE-119 CWE-125
Status published
Products (1)
assimp/assimp 5.4.3
Published Mar 25, 2025
Tracked Since Feb 18, 2026