CVE-2025-22884 in ISPSoft
Summary
by MITRE • 04/30/2025
Delta Electronics ISPSoft version 3.20 is vulnerable to a Stack-Based buffer overflow vulnerability that could allow an attacker to execute arbitrary code when parsing DVP file.
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Analysis
by VulDB Data Team • 08/25/2025
Delta Electronics ISPSoft version 3.20 contains a stack-based buffer overflow vulnerability that presents a critical security risk to systems utilizing this software. This vulnerability specifically manifests during the parsing of DVP files, which are commonly used for industrial control and automation processes within manufacturing environments. The buffer overflow occurs when the application fails to properly validate the size of input data during file processing, allowing an attacker to overwrite adjacent memory locations on the stack. This flaw falls under CWE-121 Stack-based Buffer Overflow, a well-documented vulnerability pattern that enables attackers to manipulate program execution flow. The attack vector requires the victim to open a maliciously crafted DVP file, which could be delivered through social engineering tactics or compromised software distribution channels. Once executed, the buffer overflow could lead to arbitrary code execution with the privileges of the affected application, potentially allowing full system compromise. This vulnerability directly aligns with ATT&CK technique T1059.007 Command and Scripting Interpreter: Visual Basic, as it could enable attackers to execute malicious code through the compromised software environment. The impact extends beyond simple code execution to include potential privilege escalation and lateral movement within industrial networks where ISPSoft is deployed. Organizations using Delta Electronics ISPSoft in critical infrastructure environments face significant operational risks, as this vulnerability could be exploited to disrupt manufacturing processes, access sensitive operational data, or establish persistent access points within industrial control systems.
The technical implementation of this vulnerability stems from inadequate input validation within the DVP file parser component of ISPSoft version 3.20. When processing DVP files, the application allocates a fixed-size buffer on the stack to store file data without sufficient bounds checking. Attackers can craft malicious DVP files that exceed the allocated buffer size, causing a stack overflow condition that corrupts return addresses and other critical stack data. This overflow allows attackers to redirect program execution to malicious code placed within the overflowed buffer or to overwrite function pointers and other memory structures. The vulnerability is particularly concerning in industrial environments where ISPSoft is used for programming and configuring industrial automation systems, as these systems often operate with high availability requirements and may not be easily patched. The exploitation of this vulnerability could result in denial of service conditions, data corruption, or complete system compromise, making it a critical concern for operational technology security. Security researchers have identified this as a high-severity issue due to the ease of exploitation and the potential for remote code execution. The vulnerability's impact is compounded by the fact that DVP files are commonly used in industrial settings and may be exchanged between different system components, increasing the attack surface. Organizations should implement immediate mitigations including input validation restrictions, application whitelisting, and network segmentation to prevent exploitation attempts.
Organizations should prioritize immediate remediation actions to address this vulnerability in their industrial control environments. The primary mitigation strategy involves updating to the latest version of Delta Electronics ISPSoft where the buffer overflow has been patched. System administrators should also implement strict file validation procedures for DVP files, including size limitations and format verification before processing. Network segmentation and access controls should be enhanced to limit exposure of systems running ISPSoft to untrusted networks or users. Security monitoring should be enhanced to detect suspicious file access patterns or attempts to execute unauthorized code within the ISPSoft environment. The vulnerability's characteristics make it particularly susceptible to automated exploitation attempts, so organizations should consider implementing intrusion detection systems that can identify exploitation attempts targeting this specific flaw. Additionally, regular security assessments should be conducted to identify other potential vulnerabilities in industrial control software and ensure proper security configurations are maintained. Organizations should also develop incident response procedures specifically addressing potential exploitation of this vulnerability, including system isolation protocols and forensic analysis capabilities. The vulnerability's potential for remote code execution means that organizations should also review their software update policies to ensure timely patch deployment across all industrial control systems. This vulnerability demonstrates the importance of maintaining secure software development practices and conducting thorough security testing of industrial control applications before deployment in production environments.