CISA Flags Actively Exploited OpenPLC Flaw (CVE-2021-26829) Vulnerability Report CISA Flags Actively Exploited OpenPLC Flaw (CVE-2021-26829) Ddos November 29, 2025 0 The Cybersecurity and Infrastructure Security Agency (CISA) has issued a new mandate for federal agencies to secure... Read More Read more about CISA Flags Actively Exploited OpenPLC Flaw (CVE-2021-26829)