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Critical severity9.8CISA KEVNVD Advisory· Published Aug 26, 2025· Updated Jun 17, 2026

CVE-2025-7775

CVE-2025-7775

Description

Memory overflow vulnerability leading to Remote Code Execution and/or Denial of Service in NetScaler ADC and NetScaler Gateway when NetScaler is configured as Gateway (VPN virtual server, ICA Proxy, CVPN, RDP Proxy) or AAA virtual server

(OR)

NetScaler ADC and NetScaler Gateway 13.1, 14.1, 13.1-FIPS and NDcPP: LB virtual servers of type (HTTP, SSL or HTTP_QUIC) bound with IPv6 services or servicegroups bound with IPv6 servers

(OR)

NetScaler ADC and NetScaler Gateway 13.1, 14.1, 13.1-FIPS and NDcPP: LB virtual servers of type (HTTP, SSL or HTTP_QUIC) bound with DBS IPv6 services or servicegroups bound with IPv6 DBS servers

(OR)

CR virtual server with type HDX

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

8
  • Citrix Systems/Netscaler Application Delivery Controller3 versions
    cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:-:*:*:*+ 2 more
    • cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:-:*:*:*range: >=13.1,<13.1-59.22
    • cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:fips:*:*:*range: >=12.1,<12.1-55.330
    • cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:ndcpp:*:*:*range: >=12.1,<12.1-55.330
  • Citrix Systems/Access Gateway
    cpe:2.3:a:citrix:netscaler_gateway:*:*:*:*:*:*:*:*
    Range: >=13.1,<13.1-59.22
  • Netscaler/ADCllm-fuzzy2 versions
    (expand)+ 1 more
    • (no CPE)
    • (no CPE)range: 14.1
  • Netscaler/NetScaler Gatewayllm-fuzzy
    Range: 13.1, 14.1, 13.1-FIPS, NDcPP
  • NetScaler/Gatewayv5
    Range: 14.1

Patches

Vulnerability mechanics

References

2

News mentions

1