CVE-2025-7775: Critical Citrix NetScaler Zero-Day RCE Exploited to Drop Webshells
On August 26, 2025, Citrix released fixes for a critical vulnerability in Citrix NetScaler ADC and Gateway (CVE-2025-7775) that has been exploited on unpatched appliances. The issue stems from a memory overflow flaw that could allow Remote Code Execution (RCE) and/or Denial of Service (DoS) by remote threat actors.