Summary
Successful exploitation of this vulnerability could allow an attacker to execute arbitrary code.
The following versions of Delta Electronics ASDA-Soft are affected:
- ASDA-Soft <=V7.2.2.0
| CVSS | Vendor | Equipment | Vulnerabilities |
|---|---|---|---|
| v3 7.8 | Delta Electronics | Delta Electronics ASDA-Soft | Stack-based Buffer Overflow |
Background
- Critical Infrastructure Sectors: Critical Manufacturing
- Countries/Areas Deployed: Worldwide
- Company Headquarters Location: Taiwan
Vulnerabilities
CVE-2026-5726
A stack-based buffer overflow vulnerability is triggered in ASDA-Soft version 7.2.0.0 during the parsing of malformed .par files.
Affected Products
Delta Electronics ASDA-Soft
Delta Electronics
Delta Electronics ASDA-Soft: <=V7.2.2.0
known_affected
Remediations
Vendor fix
Delta Electronics recommends users download and upgrade ASDA-Soft to v7.2.6.0 or later. If you have any product-related support concerns, contact Delta via the portal page at https://www.deltaww.com/en-US/service-support/contact-us?type=1 for any information or materials you may require.
https://www.deltaww.com/en-US/service-support/contact-us?type=1
Mitigation
Delta Electronics provides 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 control system networks and remote devices behind firewalls, and isolate them from the business network. When remote access is required, use a secure access method, such as a virtual private network (VPN).
Mitigation
For more information, see Delta Electronics advisory Delta-PCSA-2026-00007 athttps://filecenter.deltaww.com/news/download/doc/Delta-PCSA-2026-00007_ASDA-Soft%20Stack-based%20Buffer%20Overflow%20Vulnerability%20(CVE-2026-5726).pdf
https://filecenter.deltaww.com/news/download/doc/Delta-PCSA-2026-00007_ASDA-Soft%20Stack-based%20Buffer%20Overflow%20Vulnerability%20(CVE-2026-5726).pdf
Relevant CWE: CWE-121 Stack-based Buffer Overflow
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 |
Acknowledgments
- Feng Xiong 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. 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 Cybersecuri
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