CISA-confirmed known exploited vulnerability

CVE-2021-38406

Delta Electronics DOPSoft 2 Improper Input Validation Vulnerability

Delta Electronics · DOPSoft 2

Vulnerability details

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.

Added to CISA KEV: 2022-08-25

Ransomware campaign use: Unknown

CISA due date: 2022-09-15

Defensive guidance from CISA

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

This is the source's required-action field, not an independently validated patch procedure. Refer to the vendor for exact affected versions and fixes.

Source catalog date: 2026-11-06T19:44:45.1797Z · Last retrieved: 2026-11-06 21:02:26 UTC

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