# CVE-2021-38406: Delta Electronics DOPSoft 2 Out-of-Bounds Write

> CVE-2021-38406: Delta Electronics DOPSoft 2 Out-of-Bounds Write. CVSS 7.8 (CVSS 3.1), in CISA KEV.

Canonical: https://rewindex.com/cve/CVE-2021-38406
Last updated: 2025-10-21T23:25:32Z

- Published: 2021-09-17 18:54 UTC · Updated: 2025-10-21 23:25 UTC · Assigner: icscert
- CVSS: 7.8 (CVSS 3.1) · Severity: High · Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS: 76.4%, 100th percentile (scored 2026-10-25)
- CISA KEV: yes, added 2022-08-25, federal due date 2022-09-15, ransomware use: Unknown
- CWE: CWE-787

## Description

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.

## CISA required action

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

## Affected vendors and products

- Delta Electronics: DOPSoft 2

## References

- [CVE record on cve.org](https://www.cve.org/CVERecord?id=CVE-2021-38406)
- [NVD entry](https://nvd.nist.gov/vuln/detail/CVE-2021-38406)
- [https://us-cert.cisa.gov/ics/advisories/icsa-21-252-02](https://us-cert.cisa.gov/ics/advisories/icsa-21-252-02)

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_Sources: CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (https://www.cve.org/) This product uses data from the NVD API but is not endorsed or certified by the NVD. (https://nvd.nist.gov/) Known Exploited Vulnerabilities catalog from CISA. (https://www.cisa.gov/known-exploited-vulnerabilities-catalog) EPSS scores from FIRST (Exploit Prediction Scoring System). (https://www.first.org/epss/)_


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Canonical: https://rewindex.com/cve/CVE-2021-38406 · Markdown: https://rewindex.com/cve/CVE-2021-38406.md · JSON: https://rewindex.com/api/v1/cves/CVE-2021-38406 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-10-26T02:15:56.293Z