EUVD-2026-21670CVSS Vector
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Lifecycle Timeline
3Description
Labcenter Electronics Proteus PDSPRJ File Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Labcenter Electronics Proteus. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the processing of PDSPRJ files. The issue results from the lack of proper validation of user-supplied data, which can result in a write past the end of an allocated buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-25720.
Analysis
Out-of-bounds write in Labcenter Electronics Proteus PDSPRJ file parser enables unauthenticated remote code execution when victims open crafted project files. The vulnerability stems from insufficient validation during PDSPRJ file processing, allowing buffer overflow conditions that permit arbitrary code execution with victim's privileges. …
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Remediation
Within 24 hours: Identify all Proteus installations across the organization and restrict user access to opening PDSPRJ files from untrusted sources; issue security alert to all Proteus users prohibiting opening project files from external email or web sources. Within 7 days: Document current Proteus version inventory and establish a communication channel with Labcenter Electronics to track patch availability; implement endpoint controls to warn users before opening PDSPRJ files. …
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