CVE-2025-7775: Critical NetScaler vulnerability exploited in-the-wild

Overview On August 26, 2025, Citrix published a security bulletin for three new vulnerabilities affecting NetScaler ADC and NetScaler Gateway. Of the three vulnerabilities disclosed, the vendor has indicated that CVE-2025-7775 has been exploited in-the-wild by an as-yet unknown threat actor. As...

The vulnerability of the control interface for NetScaler ADC applications (formerly Citrix ADC) and the access control system for the NetScaler Gateway virtual environment (formerly Citrix Gateway) allows a perpetrator to bypass existing security restrictions and gain access to the device.

The vulnerability of the control interface for NetScaler ADC applications formerly Citrix ADC and the access control system for the NetScaler Gateway virtual environment formerly Citrix Gateway is related to improper access control. Exploiting this vulnerability allows a malicious actor to bypass...

The vulnerability of NetScaler ADC (formerly Citrix ADC) and NetScaler Gateway (formerly Citrix Gateway) – systems for controlling access to virtual environments – allows a perpetrator to execute arbitrary code and trigger service failures.

The vulnerability of the NetScaler ADC application delivery controller previously Citrix ADC and the NetScaler Gateway virtual environment access control system previously Citrix Gateway is related to operations that go beyond the buffer in memory. Exploiting this vulnerability could allow a...

CVE-2025-7776

Memory overflow vulnerability leading to unpredictable or erroneous behavior and Denial of Service in NetScaler ADC and NetScaler Gateway when NetScaler is configured as a Gateway VPN virtual server, ICA Proxy, CVPN, RDP Proxy with PCoIP Profile bounded to it...

CVE-2025-7776

Memory overflow vulnerability leading to unpredictable or erroneous behavior and Denial of Service in NetScaler ADC and NetScaler Gateway when NetScaler is configured as a Gateway VPN virtual server, ICA Proxy, CVPN, RDP Proxy with PCoIP Profile bounded to it...

CVE-2025-7775

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...

CVE-2025-7775

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...

CVE-2025-8424

Improper access control on the NetScaler Management Interface in NetScaler ADC and NetScaler Gateway when an attacker can get access to the appliance NSIP, Cluster Management IP or local GSLB Site IP or SNIP with Management Access...

CVE-2025-8424 Improper access control on the NetScaler Management Interface

Improper access control on the NetScaler Management Interface in NetScaler ADC and NetScaler Gateway when an attacker can get access to the appliance NSIP, Cluster Management IP or local GSLB Site IP or SNIP with Management Access...

CVE-2025-7776

CVE-2025-7776 is a memory overflow vulnerability in Citrix NetScaler ADC/NetScaler Gateway. Affected when Gateway or AAA Vservers are used and a PCoIP Profile is bound to the NetScaler, enabling memory corruption that leads to unpredictable behavior and Denial of Service. Remediation requires upg...

CVE-2025-7776 Memory overflow vulnerability leading to unpredictable or erroneous behavior and Denial of Service

Memory overflow vulnerability leading to unpredictable or erroneous behavior and Denial of Service in NetScaler ADC and NetScaler Gateway when NetScaler is configured as a Gateway VPN virtual server, ICA Proxy, CVPN, RDP Proxy with PCoIP Profile bounded to it...

CVE-2025-7776 Memory overflow vulnerability leading to unpredictable or erroneous behavior and Denial of Service

Memory overflow vulnerability leading to unpredictable or erroneous behavior and Denial of Service in NetScaler ADC and NetScaler Gateway when NetScaler is configured as a Gateway VPN virtual server, ICA Proxy, CVPN, RDP Proxy with PCoIP Profile bounded to it...

CVE-2025-7775

CVE-2025-7775 is a memory overflow vulnerability in Citrix NetScaler ADC and NetScaler Gateway. The CVE affects deployments where the appliance is configured as a Gateway (VPN VServer, ICA Proxy, CVPN, RDP Proxy) or AAA VServer, and also affects LB virtual servers of type HTTP, SSL, or HTTP_QUIC ...

CVE-2025-7775 Memory overflow vulnerability leading to Remote Code Execution and/or Denial of Service

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...

CVE-2025-7775 Memory overflow vulnerability leading to Remote Code Execution and/or Denial of Service

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...

NetScaler ADC and NetScaler Gateway Security Bulletin for CVE-2025-7775, CVE-2025-7776 and CVE-2025-8424

Severity - Critical Description of Problem Multiple vulnerabilities have been discovered in NetScaler ADC formerly Citrix ADC and NetScaler Gateway formerly Citrix Gateway. Refer below for further details. Affected Versions The following supported versions of NetScaler ADC and NetScaler Gateway a...

VulnCheck KEV: CVE-2025-7775

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...

PT-2025-34763

Name of the Vulnerable Software and Affected Versions: NetScaler ADC and NetScaler Gateway affected versions not specified Description: Improper access control exists on the NetScaler Management Interface in NetScaler ADC and NetScaler Gateway. An attacker gaining access to the appliance’s NSIP,...

Citrix NetScaler ADC和Citrix NetScaler Gateway 安全漏洞

Citrix NetScaler ADC and Citrix NetScaler Gateway are both products of Citrix Corporation, U.S.A. Citrix NetScaler ADC is an application delivery and security platform.Citrix NetScaler Gateway is a secure remote access solution. A security vulnerability exists in Citrix NetScaler ADC and Citrix...

Citrix NetScaler ADC和Citrix NetScaler Gateway 安全漏洞

Citrix NetScaler ADC and Citrix NetScaler Gateway are both products of Citrix Corporation, U.S.A. Citrix NetScaler ADC is an application delivery and security platform.Citrix NetScaler Gateway is a secure remote access solution. A security vulnerability exists in Citrix NetScaler ADC and Citrix...