A critical vulnerability (CVE-2025-7775) in Citrix NetScaler ADC and Gateway is under active exploitation, posing significant risks to defense contractors and government networks across APAC. This memory overflow flaw enables remote code execution and denial-of-service attacks, potentially compromising secure remote access and critical infrastructure. Urgent patching is recommended for affected versions, with immediate upgrades necessary for older branches. The widespread use of these systems heightens the threat of credential theft and persistent access in sensitive environments, necessitating prompt remediation measures by operators to safeguard mission-critical applications and national security.