CISA Issues Alert on Actively Exploited Citrix NetScaler ADC and Gateway Vulnerability

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has issued an urgent alert following the addition of a critical Citrix NetScaler vulnerability—CVE-2025-6543—to its Known Exploited Vulnerabilities (KEV) Catalog, citing evidence of active exploitation in the wild. Vulnerability Details CVE-2025-6543 is…