CVE-2025-9447 in SOLIDWORKS eDrawings
Summary
by MITRE • 09/17/2025
An Out-Of-Bounds Read vulnerability affecting the PAR file reading procedure in SOLIDWORKS eDrawings on Release SOLIDWORKS Desktop 2025 could allow an attacker to execute arbitrary code while opening a specially crafted PAR file.
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Analysis
by VulDB Data Team • 09/17/2025
The vulnerability CVE-2025-9447 represents a critical out-of-bounds read flaw within the PAR file parsing functionality of SOLIDWORKS eDrawings software version 2025. This issue specifically impacts the desktop release of the software and stems from inadequate input validation during the processing of PAR files which are commonly used for storing 3D model data and annotations within the SOLIDWORKS ecosystem. The vulnerability exists in the file reading procedure that handles PAR format files, where the application fails to properly validate array bounds when parsing specific data structures within these files, creating an opportunity for memory access violations that could be exploited by malicious actors.
The technical nature of this vulnerability aligns with CWE-129, which describes improper validation of array index values, and more specifically with CWE-125, which covers out-of-bounds read conditions. When a specially crafted PAR file is opened, the eDrawings application attempts to read data beyond the allocated memory boundaries, potentially causing the application to crash or more critically, allowing an attacker to manipulate memory contents. This flaw operates at the intersection of memory safety issues and code execution vulnerabilities, where the out-of-bounds read can be leveraged to achieve arbitrary code execution through techniques such as return-oriented programming or direct memory manipulation. The vulnerability demonstrates characteristics consistent with ATT&CK technique T1203, which involves exploiting software vulnerabilities to gain code execution capabilities.
The operational impact of this vulnerability extends beyond simple application instability, as it creates a potential attack vector for remote code execution in environments where users might encounter malicious PAR files through email attachments, file sharing platforms, or compromised software distribution channels. Attackers could craft PAR files containing malicious payloads that, when opened by an unsuspecting user, would trigger the out-of-bounds read condition and subsequently execute arbitrary code with the privileges of the user running the eDrawings application. This presents significant risk in enterprise environments where users may inadvertently open compromised files, potentially leading to full system compromise or data exfiltration. The vulnerability affects users who regularly work with 3D CAD data files and could be exploited in targeted attacks against engineering and design teams who frequently exchange complex model files.
Organizations should implement immediate mitigations including restricting user access to PAR file types, implementing strict file validation policies, and ensuring that all users maintain updated versions of SOLIDWORKS eDrawings software. System administrators should consider deploying application whitelisting solutions to prevent execution of untrusted PAR files and monitor for suspicious file access patterns. Additionally, users should be educated about the risks of opening unknown or untrusted 3D model files, and organizations should establish secure file handling protocols for CAD data exchange. The vulnerability highlights the importance of proper input validation and bounds checking in file processing applications, particularly those handling complex binary formats like PAR files that contain structured data elements requiring careful parsing and validation.