Delta Electronics DOPSoft 2 Improper Input Validation Vulnerability

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• cpe deltaww/dopsoftversion unspecified
• vendor Delta Electronics DOPSoft 2version unspecified

How to fix CVE-2021-38406

• Recommended remediation

  The impacted product is end-of-life and should be disconnected if still in use. CISA due date Sep 15, 2022.

• Official advisories

  • CISA KEV · cisa.gov
  • CVE.org · cve.org
  • FIRST EPSS · first.org
  • NIST NVD · nvd.nist.gov
  • VulnCheck KEV · vulncheck.com

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

1. Sep 17, 2021 · Catalog

   Detected

   Delta Electronic DOPSoft 2 (Version 2.00.07 and prior) lacks proper validation of user-supplied data when parsing specific project files. This could result in multiple out-of-bounds write instances. An attacker could leverage this vulnerability to execute code in the context of the current process.

2. Aug 25, 2022 · CISA KEV

   Known exploited

   The impacted product is end-of-life and should be disconnected if still in use.

3. Sep 15, 2022 · CISA KEV

   Remediation due

   The impacted product is end-of-life and should be disconnected if still in use.

4. Jun 16, 2026 · Catalog

   Updated

   Delta Electronic DOPSoft 2 (Version 2.00.07 and prior) lacks proper validation of user-supplied data when parsing specific project files. This could result in multiple out-of-bounds write instances. An attacker could leverage this vulnerability to execute code in the context of the current process.

Sources

• CISA KEVConfirmed exploitationCVE-2021-38406

  Delta Electronics DOPSoft 2 lacks proper validation of user-supplied data when parsing specific project files (improper input validation) resulting in an out-of-bounds write that allows for code execution.

  cisa.gov
• CVE.orgVulnerability recordCVE-2021-38406

  Official CVE identifier

  cve.org
• FIRST EPSSExploitation probabilityCVE-2021-38406

  30-day exploitation probability 76.4%

  first.org
• NIST NVDVulnerability recordCVE-2021-38406

  Delta Electronic DOPSoft 2 (Version 2.00.07 and prior) lacks proper validation of user-supplied data when parsing specific project files. This could result in multiple out-of-bounds write instances. An attacker could leverage this vulnerability to execute code in the context of t

  nvd.nist.gov
• VulnCheck KEVConfirmed exploitationCVE-2021-38406

  Delta Electronics DOPSoft 2 lacks proper validation of user-supplied data when parsing specific project files (improper input validation) resulting in an out-of-bounds write that allows for code execution.

  vulncheck.com

References

• CISA note · nvd.nist.gov
• Third Party Advisory · us-cert.cisa.gov
• US Government Resource · cisa.gov
• VulnCheck exploitation evidence · cisa.gov
• CISA note · cisa.gov

Freshness

Last verified in this catalog Oct 17, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.