Critical vulnerabilities in NetScaler ADC exploited in-the-wild: everything you need to know

Detect and mitigate CVE-2025-5349, CVE-2025-5777, and CVE-2025-6543, Citrix Netscaler ADC and Gateway vulnerabilities being exploited in the wild. Organizations should patch urgently...

Exploit for Out-of-bounds Read in Citrix Netscaler_Application_Delivery_Controller

CitrixBleed2 - CVE-2025-5777 PoC Scanner This repository cont...

Exploit for Out-of-bounds Read in Citrix Netscaler_Application_Delivery_Controller

CVE-2025-5777-CitrixBleed CitrixBleed-2 CVE-2025-5777 – proo...

Exploit for Improper Restriction of Operations within the Bounds of a Memory Buffer in Citrix Netscaler_Application_Delivery_Controller

CVE-2025-6543CitrixNetScalerPoC Multi-host, multi-port scann...

CISA Adds One Known Exploited Vulnerability to Catalog

CISA has added one new vulnerability to its Known Exploited Vulnerabilities KEV Catalog, based on evidence of active exploitation. CVE-2025-6543link is external Citrix NetScaler ADC and Gateway Buffer Overflow Vulnerability These types of vulnerabilities are frequent attack vectors for malicious...

Exploit for Out-of-bounds Read in Citrix Netscaler_Application_Delivery_Controller

CitrixBleed 2 CVE-2025-5777 Ultimate Analysis An Out-of-B...

Citrix NetScaler ADC and Gateway Buffer Overflow Vulnerability

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...

CVE-2025-6543

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...

VulnCheck KEV: CVE-2025-5777

Citrix NetScaler ADC and Gateway contain an out-of-bounds read vulnerability due to insufficient input validation. This vulnerability can lead to memory overread when the NetScaler is configured as a Gateway VPN virtual server, ICA Proxy, CVPN, RDP Proxy OR AAA virtual server...

Vulnerability fixed in Citrix NetScaler ADC and NetScaler Gateway

Citrix has fixed a vulnerability in NetScaler ADC and NetScaler Gateway. To be vulnerable, NetScaler must be configured as a Gateway VPN virtual server, ICA Proxy, CVPN, RDP Proxy or AAA virtual server. Note that this is often default config. The vulnerability is in the way memory is managed in...

Citrix Releases Emergency Patches for Actively Exploited CVE-2025-6543 in NetScaler ADC

Citrix has released security updates to address a critical flaw affecting NetScaler ADC that it said has been exploited in the wild. The vulnerability, tracked as CVE-2025-6543 , carries a CVSS score of 9.2 out of a maximum of 10.0. It has been described as a case of memory overflow that could...

Citrix Releases Emergency Patches for Actively Exploited CVE-2025-6543 in NetScaler ADC

Citrix has released security updates to address a critical flaw affecting NetScaler ADC that it said has been exploited in the wild. The vulnerability, tracked as CVE-2025-6543 , carries a CVSS score of 9.2 out of a maximum of 10.0. It has been described as a case of memory overflow that could...

CVE-2025-6543

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...

CVE-2025-6543

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...

CVE-2025-6543 Memory overflow vulnerability leading to unintended control flow and Denial of Service

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...

CVE-2025-6543

CVE-2025-6543 affects Citrix NetScaler ADC and NetScaler Gateway. The vulnerability is a memory overflow in the WebProc/AAA gateway flow triggered when processing the Host header via the /nf/auth/startwebview.do path, causing uncontrolled memory access that can lead to a Denial of Service and uni...

CVE-2025-6543 Memory overflow vulnerability leading to unintended control flow and Denial of Service

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...

CVE-2025-6543: Improper Restriction of Operations within the Bounds of a Memory Buffer

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...

VulnCheck KEV: CVE-2025-6543

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...

CVE-2025-6543

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 Recent assessments: sfewer-r7 at July 11, 2025 9:53am UTC reported: The...