---
title: "Critical Command Injection Flaw in Delta Electronics DIAView Software"
short_title: "Delta Electronics DIAView command injection flaw"
description: "Delta Electronics DIAView software versions up to 4.2.0 are vulnerable to CVE-2026-0975, a high-severity command injection flaw. Learn how to mitigate risks and update now."
author: "Vitus"
date: 2025-01-24
categories: [Cybersecurity, Vulnerabilities]
tags: [delta-electronics, cve-2026-0975, command-injection, ics-security, vulnerability]
score: 0.78
cve_ids: [CVE-2026-0975]
---
TL;DR
Delta Electronics DIAView software contains a high-severity command injection vulnerability (CVE-2026-0975) that could allow attackers to execute arbitrary code. Affecting versions up to 4.2.0, this flaw poses significant risks to critical infrastructure sectors worldwide. Users are urged to update to DIAView v4.4 or later and implement recommended mitigations to reduce exposure.
---
Main Content
Introduction
A critical security flaw has been discovered in Delta Electronics DIAView, a widely used industrial automation software. Tracked as CVE-2026-0975, this vulnerability enables command injection, potentially allowing attackers to execute arbitrary code on affected systems. With a CVSS score of 7.8 (High), this issue demands immediate attention from organizations in critical infrastructure sectors, including chemical, energy, manufacturing, and water treatment.
---
Key Points
- Vulnerability: CVE-2026-0975 is a command injection flaw in Delta Electronics DIAView software.
- Affected Versions: DIAView versions up to 4.2.0 are vulnerable.
- Impact: Successful exploitation could lead to arbitrary code execution on targeted systems.
- Severity: Rated High (CVSS 7.8) due to its potential impact on critical infrastructure.
- Mitigation: Update to DIAView v4.4 or later and follow Delta Electronics' security recommendations.
---
Technical Details
CVE-2026-0975 stems from improper neutralization of special elements in DIAView’s project scripts. Specifically, the software can execute shell commands embedded within a project script. If an attacker tricks a user into running a malicious project file, the embedded code executes with the privileges of the victim, leading to arbitrary code execution.
#### Attack Vector
- The vulnerability is not exploitable remotely but requires user interaction, such as opening a malicious project file.
- Attackers could deliver malicious scripts via phishing emails, compromised downloads, or social engineering tactics.
---
Impact Assessment
#### Affected Sectors
This vulnerability poses a significant risk to multiple critical infrastructure sectors, including:
- Chemical
- Commercial Facilities
- Critical Manufacturing
- Energy
- Transportation Systems
- Water and Wastewater
#### Potential Consequences
- Unauthorized access to industrial control systems (ICS).
- Disruption of operations in critical infrastructure environments.
- Data theft or manipulation of sensitive industrial processes.
- Lateral movement within networks, leading to broader compromise.
---
Mitigation Steps
Delta Electronics has released DIAView v4.4 to address this vulnerability. Organizations are advised to:
1. Update Immediately: Upgrade to DIAView v4.4 or later to patch the flaw.
2. Restrict Access: Avoid exposing control systems and equipment to the internet.
3. Isolate Networks: Place control system networks behind firewalls and isolate them from business networks.
4. Use Secure Remote Access: Employ VPNs for remote access to industrial systems.
5. Educate Users: Train employees to avoid clicking on untrusted links or opening unsolicited attachments.
6. Monitor for Threats: Implement intrusion detection systems (IDS) to identify suspicious activity.
For further guidance, refer to Delta Electronics' advisory [Delta-PCSA-2026-00002](https://www.deltaww.com).
---
Affected Systems
| Vendor | Product | Affected Version | Status |
|--------------------|---------------------------|----------------------|------------------|
| Delta Electronics | DIAView | ≤ 4.2.0 | Known Affected |
---
Conclusion
CVE-2026-0975 highlights the growing threats to industrial control systems and the importance of proactive cybersecurity measures. Organizations using Delta Electronics DIAView must prioritize updating to the latest version and implementing robust security practices to mitigate risks. While no active exploitation has been reported, the potential impact on critical infrastructure makes this a high-priority issue.
Stay vigilant, apply patches promptly, and follow CISA’s recommended practices for ICS security to safeguard against emerging threats.
---
References
[^1]: CISA. "[ICSA-26-022-07 Delta Electronics DIAView](https://www.cisa.gov/news-events/ics-advisories/icsa-26-022-07)". Retrieved 2025-01-24.
[^2]: NIST. "[CVE-2026-0975 Detail](https://nvd.nist.gov/vuln/detail/CVE-2026-0975)". Retrieved 2025-01-24.
[^3]: MITRE. "[CWE-77: Improper Neutralization of Special Elements used in a Command](https://cwe.mitre.org/data/definitions/77.html)". Retrieved 2025-01-24.