CVE-2025-6543
🔥 Known Exploited (CISA KEV)CRITICAL
9.2
CVSS Severity Score
Vulnerability Description
Memory overflow vulnerability leading to unintended control flow and Denial of Service in NetScaler ADC and NetScaler Gateway when configured as Gateway (VPN virtual server, ICA Proxy, CVPN, RDP Proxy) OR AAA virtual server
Affected Platforms (CPE)
📦
Citrix
Netscaler Application Delivery Controller
>= 13.1 and < 13.1-37.236>= 13.1 and < 13.1-59.19>= 14.1 and < 14.1-47.46
📦
Citrix
Netscaler Gateway
>= 13.1 and < 13.1-59.19>= 14.1 and < 14.1-47.46