Netscaler Gateway
Monthly
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. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Citrix NetScaler ADC and Gateway contain a memory overflow vulnerability enabling remote code execution and denial of service when configured as VPN, AAA, or load balancing virtual servers.
Citrix NetScaler ADC and Gateway contain a memory overflow vulnerability (CVE-2025-6543, CVSS 9.8) leading to unintended control flow and denial of service when configured as VPN or AAA virtual server. KEV-listed with public PoC, this vulnerability paired with CVE-2025-5777 (memory overread) indicates a systemic weakness in NetScaler's VPN request processing that enables both data theft and remote code execution.
Citrix NetScaler ADC and Gateway contain an input validation vulnerability (CVE-2025-5777, CVSS 7.5) leading to memory overread when configured as VPN or AAA virtual server. KEV-listed with EPSS 69.8% and public PoC, this vulnerability enables remote unauthenticated attackers to read sensitive data from the appliance's memory, potentially exposing session tokens, credentials, and encryption keys — similar to the Heartbleed class of memory disclosure bugs.
Improper access control vulnerability in NetScaler ADC and NetScaler Gateway management interfaces that allows unauthenticated attackers on the adjacent network to gain high-impact unauthorized access (confidentiality, integrity, and availability compromise) without requiring user interaction. This is a critical flaw affecting widely-deployed Citrix infrastructure used by enterprises for application delivery and remote access, with high CVSS 8.8 score reflecting the severity of direct control plane compromise.
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. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Citrix NetScaler ADC and Gateway contain a memory overflow vulnerability enabling remote code execution and denial of service when configured as VPN, AAA, or load balancing virtual servers.
Citrix NetScaler ADC and Gateway contain a memory overflow vulnerability (CVE-2025-6543, CVSS 9.8) leading to unintended control flow and denial of service when configured as VPN or AAA virtual server. KEV-listed with public PoC, this vulnerability paired with CVE-2025-5777 (memory overread) indicates a systemic weakness in NetScaler's VPN request processing that enables both data theft and remote code execution.
Citrix NetScaler ADC and Gateway contain an input validation vulnerability (CVE-2025-5777, CVSS 7.5) leading to memory overread when configured as VPN or AAA virtual server. KEV-listed with EPSS 69.8% and public PoC, this vulnerability enables remote unauthenticated attackers to read sensitive data from the appliance's memory, potentially exposing session tokens, credentials, and encryption keys — similar to the Heartbleed class of memory disclosure bugs.
Improper access control vulnerability in NetScaler ADC and NetScaler Gateway management interfaces that allows unauthenticated attackers on the adjacent network to gain high-impact unauthorized access (confidentiality, integrity, and availability compromise) without requiring user interaction. This is a critical flaw affecting widely-deployed Citrix infrastructure used by enterprises for application delivery and remote access, with high CVSS 8.8 score reflecting the severity of direct control plane compromise.