Citrix NetScaler ADC and Gateway has been exploited: Patch now!

 The US Cybersecurity and Information Security Agency (CISA) has alerted on exploitation of a vulnerability in NetScaler ADC and NetScaler Gateway. The products were previously known as Citrix ADC and Citrix Gateway respectively.

CVE-2025-5777 affects versions 14.1 BEFORE 14.1-43.56 of the two products as well as 13.1 BEFORE 13.1-58.32. The Out-of-Bounds Read vulnerability has a CVSS v4.0 Base Scre of 9.3.

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