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Delta Electronics reports ASDA-Soft vulnerabilities

Source Decision Insights Threat Desk Published November 11, 2025 Companies 3
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3 companies named across 8 categories, one of 13 articles referencing Trend Micro. Previous coverage: Fuji Electric Monitouch V-SFT-6 Security Risks (Nov 2025).

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1. EXECUTIVE SUMMARY

2. RISK EVALUATION

Successful exploitation of these vulnerabilities could allow an attacker to write data outside of the allocated memory buffer.

3. TECHNICAL DETAILS

3.1 AFFECTED PRODUCTS

Delta Electronics reports the following versions of ASDA-Soft servo software are affected:

  • ASDA-Soft: Version 7.0.2.0 and prior

3.2 VULNERABILITY OVERVIEW

3.2.1 Stack-based Buffer Overflow CWE-121

Delta Electronics ASDA-Soft can write data outside of the intended memory buffer when a valid user opens a maliciously crafted project file.

CVE-2025-62579 has been assigned to this vulnerability. A CVSS v3.1 base score of 7.8 has been calculated; the CVSS vector string is (CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H).

A CVSS v4 score has also been calculated for CVE-2025-62579. A base score of 8.4 has been calculated; the CVSS vector string is (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).

3.2.2 Stack-based Buffer Overflow CWE-121

Delta Electronics ASDA-Soft can write data outside of the intended memory buffer when a valid user opens a maliciously crafted project file.

CVE-2025-62580 has been assigned to this vulnerability. A CVSS v3.1 base score of 7.8 has been calculated; the CVSS vector string is (CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H).

A CVSS v4 score has also been calculated for CVE-2025-62580. A base score of 8.4 has been calculated; the CVSS vector string is (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).

3.3 BACKGROUND

  • CRITICAL INFRASTRUCTURE SECTORS: Critical Manufacturing
  • COUNTRIES/AREAS DEPLOYED: Worldwide
  • COMPANY HEADQUARTERS LOCATION: Taiwan

3.4 RESEARCHER

Guillaume Orlando working with Trend Micro Zero Day Initiative reported these vulnerabilities to CISA.

4. MITIGATIONS

Delta Electronics has released an updated version of ASDA-Soft and recommends users install v7.1.1.0 or newer.

For more information, see Delta Electronics advisory Delta-PCSA-2025-00019.

Delta Electronics offers the following general recommendations:

  • Do not click on untrusted Internet links or open unsolicited attachments in emails.
  • Avoid exposing control systems and equipment to the Internet.
  • Place systems and devices behind a firewall and isolate them from the business network.
  • When remote access is required, use a secure access method, such as a Virtual Private Network (VPN).

Contact Delta Electronics via their portal page for any product-related support concerns, information, or materials you may require.

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.

No known public exploitation specifically targeting these vulnerabilities has been reported to CISA at this time. These vulnerabilities are not exploitable remotely.

5. UPDATE HISTORY

  • October 23, 2025: Initial Publication

Blog post, originally published by CISA at cisa.gov.

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