Firetruck

CVE-2025-6543

KEV
Updated Feb 26, 2026 · PUBLISHED
View KEV entry →

Description

Citrix NetScaler ADC and Gateway contain a buffer overflow vulnerability leading to unintended control flow and Denial of Service. NetScaler must be configured as Gateway (VPN virtual server, ICA Proxy, CVPN, RDP Proxy) OR AAA virtual server.

Full record on cve.org →

Affected packages

PackageVendor / ProductVersion rangeStatus
ADCNetScaler / ADC>= 13.1, < 59.19affected
ADCNetScaler / ADC>= 13.1 FIPS and NDcPP, < 37.236affected
ADCNetScaler / ADC>= 14.1, < 47.46affected
GatewayNetScaler / Gateway>= 13.1, < 59.19affected
GatewayNetScaler / Gateway>= 13.1 FIPS and NDcPP, < 37.236affected
GatewayNetScaler / Gateway>= 14.1, < 47.46affected