CVE-2025-6543

CRITICALCVSS 9.811% EPSSKEV — known exploited🧨 Public exploit (GreyNoise)

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

Published 2025-06-25 · last modified 2026-06-17

Affected products

VendorProduct
citrixnetscaler_application_delivery_controller
citrixnetscaler_gateway
netscaleradc
netscalergateway

Full record at NVD ↗

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Ncerio by BeyondNets · data from NVD, CISA KEV, EPSS.