Delta Electronics DTM Soft

Summary

A critical deserialization vulnerability (CVE-2026-12578) has been identified in Delta Electronics DTM Soft software, affecting all versions. Successful exploitation could allow an attacker to execute arbitrary code on affected systems. Delta Electronics is aware of the issue and working on a fix, recommending users avoid opening unsolicited project files and refrain from running the software as an administrator.

Full text

ICS Advisory Delta Electronics DTM Soft Release DateJune 25, 2026 Alert CodeICSA-26-176-06 Related topics: Industrial Control System Vulnerabilities , Industrial Control Systems View CSAF Summary Successful exploitation of this vulnerability could allow an attacker to execute arbitrary code. The following versions of Delta Electronics DTM Soft are affected: DTMSoft vers:all/* CVSS Vendor Equipment Vulnerabilities v3 7.8 Delta Electronics Delta Electronics DTM Soft Deserialization of Untrusted Data Background Critical Infrastructure Sectors: Critical Manufacturing Countries/Areas Deployed: Worldwide Company Headquarters Location: Taiwan Vulnerabilities Expand All + CVE-2026-12578 The affected product is vulnerable to a deserialization of untrusted data, which may allow an attacker to execute arbitrary code. View CVE Details Affected Products Delta Electronics DTM Soft Vendor:Delta Electronics Product Version:Delta Electronics DTMSoft: vers:all/* Product Status:known_affected Remediations MitigationDelta Electronics is aware of the vulnerability and is currently working on a fix. MitigationDelta Electronics recommends users apply the following workarounds: MitigationDo not open unsolicited project files: Do not open or import unsolicited project files, untrusted Internet links, or unexpected attachments from emails, network shares, or USB drives. Always verify the source of the file before opening it. MitigationAvoid running as administrator: Do not use the "Run as Administrator" option when launching the software. Running the software with standard user privileges effectively limits the damage of potential malicious code. MitigationFor more information refer to Delta Electronic's advisory page https://www.deltaww.com/en-US/service-support/product-cybersecurity/advisory Relevant CWE: CWE-502 Deserialization of Untrusted Data Metrics CVSS Version Base Score Base Severity Vector String 3.1 7.8 HIGH CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H 4.0 8.4 HIGH CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N Acknowledgments kimiya of TrendAI Zero Day Initiative reported this vulnerability to CISA Legal Notice and Terms of Use This product is provided subject to this Notification (https://www.cisa.gov/notification) and this Privacy & Use policy (https://www.cisa.gov/privacy-policy). Recommended Practices CISA recommends users take defensive measures to minimize the risk of exploitation of this vulnerability. Minimize network exposure for all control system devices and/or systems, ensuring they are not accessible from the internet. Locate control system networks and remote devices behind firewalls and isolating them from business networks. When remote access is required, use more secure methods, such as Virtual Private Networks (VPNs), recognizing VPNs may have vulnerabilities and should be updated to the most current version available. Also recognize VPN is only as secure as the connected devices. CISA reminds organizations to perform proper impact analysis and risk assessment prior to deploying defensive measures. CISA also provides a section for control systems security recommended practices on the ICS webpage on cisa.gov/ics. Several CISA products detailing cyber defense best practices are available for reading and download, including Improving Industrial Control Systems Cybersecurity with Defense-in-Depth Strategies. CISA encourages organizations to implement recommended cybersecurity strategies for proactive defense of ICS assets. Additional mitigation guidance and recommended practices are publicly available on the ICS webpage at cisa.gov/ics in the technical information paper, ICS-TIP-12-146-01B--Targeted Cyber Intrusion Detection and Mitigation Strategies. Organizations observing suspected malicious activity should follow established internal procedures and report findings to CISA for tracking and correlation against other incidents. CISA also recommends users take the following measures to protect themselves from social engineering attacks: Do not click web links or open attachments in unsolicited email messages. Refer to Recognizing and Avoiding Email Scams for more information on avoiding email scams. Refer to Avoiding Social Engineering and Phishing Attacks for more information on social engineering attacks. No known public exploitation specifically targeting this vulnerability has been reported to CISA at this time. This vulnerability is not exploitable remotely. Revision History Initial Release Date: 2026-06-25 Date Revision Summary 2026-06-25 1 Initial Republication pf Delta-PCSA-2026-00010_DT Legal Notice and Terms of Use This product is provided subject to this Notification and this Privacy & Use policy. Vendor Delta Electronics Tags Sector: Critical Manufacturing Sector Topics: Industrial Control System Vulnerabilities, Industrial Control Systems Please share your thoughts We recently updated our anonymous product survey; we welcome your feedback. Related Advisories Jun 25, 2026 ICS Advisory | ICSMA-26-176-02 OHIF Viewers DICOM Jun 25, 2026 ICS Advisory | ICSA-26-176-02 EVoke Systems Charging Station Management System Jun 25, 2026 ICS Advisory | ICSA-26-176-03 Horner Automation Cscape Jun 25, 2026 ICS Advisory | ICSA-26-176-01 Yokogawa FAST/TOOLS and CI Server

Indicators of Compromise

• cve — CVE-2026-12578

Entities