CVE-2025-22882: Critical Stack-Based Buffer Overflow Vulnerability in Delta Electronics ISPSoft

Overview

In the ever-evolving landscape of cybersecurity, a new vulnerability has been discovered in the Delta Electronics ISPSoft, a popularly used software across various industries. This vulnerability, labeled as CVE-2025-22882, presents a significant threat to the integrity and security of systems running ISPSoft version 3.20. The vulnerability is a stack-based buffer overflow that could be exploited by attackers to execute arbitrary code, ultimately leading to potential system compromise or data leakage. Given the severity and potential impact, urgent attention is required from organizations and individuals using the affected software.

Vulnerability Summary

CVE ID: CVE-2025-22882
Severity: High (CVSS score of 7.8)
Attack Vector: Remote
Privileges Required: None
User Interaction: Required
Impact: Potential system compromise and/or data leakage

Affected Products

Product | Affected Versions

Delta Electronics ISPSoft | Version 3.20

How the Exploit Works

The vulnerability stems from inadequate boundary checks while parsing CBDGL files. An attacker can craft a malicious CBDGL file that contains a payload designed to overflow the stack buffer when parsed by the ISPSoft. This overflow can overwrite important control data on the stack, allowing the attacker to inject and execute arbitrary code within the context of the application. The attacker can then leverage debugging logic to execute this code, gaining control over the system.

Conceptual Example Code

A conceptual example of how the vulnerability might be exploited could be a maliciously crafted CBDGL file. The exact details of crafting such a file are not provided to prevent misuse. However, the general idea is to include a payload that, when parsed by the vulnerable application, results in a buffer overflow.

# Pseudocode for creating a malicious CBDGL file
malicious_payload = "A" * BUFFER_SIZE + "B" * CONTROL_DATA_SIZE + "C" * ARBITRARY_CODE_SIZE
with open("malicious.cbdgl", "w") as f:
f.write(malicious_payload)

In the above pseudocode, “A” * BUFFER_SIZE overflows the buffer, “B” * CONTROL_DATA_SIZE overwrites the control data, and “C” * ARBITRARY_CODE_SIZE is the arbitrary code to be executed.

Mitigation Guidance

It is highly recommended for users to immediately apply the vendor-provided patch for ISPSoft. If the patch cannot be applied immediately, users can temporarily mitigate the risk by using Web Application Firewalls (WAF) or Intrusion Detection Systems (IDS) to detect and block attempts to exploit this vulnerability. However, these are only temporary solutions and the patch should be applied as soon as possible to fully mitigate the vulnerability.