A critical security vulnerability has been identified impacting Citrix NetScaler ADC (Application Delivery Controller) and NetScaler Gateway appliances. This flaw poses a significant risk, potentially allowing unauthorized access or compromising system integrity if left unaddressed. The nature of this vulnerability requires immediate action due to its severity.
Thankfully, Citrix has already released security patches to address this issue. To protect your systems and data, it is absolutely critical that administrators upgrade their affected Citrix NetScaler instances without delay. Procrastinating on this update leaves systems exposed to potential exploitation. Prioritizing this urgent action is essential for maintaining a secure network posture. Verify your versions and apply the recommended patches immediately.
Source: https://www.helpnetsecurity.com/2025/06/23/critical-citrix-netscaler-bug-fixed-upgrade-asap-cve-2025-5777/
