Citrix Addresses Three NetScaler Vulnerabilities, Alerts on Active Exploitation of CVE-2025-7775
Date: August 26, 2025
Focus: Vulnerability / Remote Code Execution
Citrix has issued patches for three security vulnerabilities in NetScaler ADC and NetScaler Gateway, including one that is currently being actively exploited. The vulnerabilities are as follows:
- CVE-2025-7775 (CVSS score: 9.2): Memory overflow vulnerability resulting in Remote Code Execution and/or Denial-of-Service.
- CVE-2025-7776 (CVSS score: 8.8): Memory overflow issue causing unpredictable behavior and potential Denial-of-Service.
- CVE-2025-8424 (CVSS score: 8.7): Improper access control on the NetScaler Management Interface.
Citrix noted that there have been observed exploits of CVE-2025-7775 on unmitigated devices but did not provide further specifics. However, certain conditions must be met for the vulnerabilities to be exploited.
For CVE-2025-7775, the NetScaler must be set up as a Gateway (including VPN virtual server, ICA Proxy, CVPN, or RDP Proxy) or as an AAA virtual server. Affected versions include NetScaler ADC and NetScaler Gateway 13.1, 14.1…
Focus: Vulnerability / Remote Code Execution
Citrix Addresses Critical NetScaler Vulnerabilities Amid Active Exploitation On August 26, 2025, Citrix announced the availability of patches designed to mitigate three significant security vulnerabilities affecting its NetScaler ADC and NetScaler Gateway products. Notably, one of these vulnerabilities, identified as CVE-2025-7775, has been confirmed as being actively exploited in the…
Citrix Addresses Three NetScaler Vulnerabilities, Alerts on Active Exploitation of CVE-2025-7775
Date: August 26, 2025
Focus: Vulnerability / Remote Code Execution
Citrix has issued patches for three security vulnerabilities in NetScaler ADC and NetScaler Gateway, including one that is currently being actively exploited. The vulnerabilities are as follows:
- CVE-2025-7775 (CVSS score: 9.2): Memory overflow vulnerability resulting in Remote Code Execution and/or Denial-of-Service.
- CVE-2025-7776 (CVSS score: 8.8): Memory overflow issue causing unpredictable behavior and potential Denial-of-Service.
- CVE-2025-8424 (CVSS score: 8.7): Improper access control on the NetScaler Management Interface.
Citrix noted that there have been observed exploits of CVE-2025-7775 on unmitigated devices but did not provide further specifics. However, certain conditions must be met for the vulnerabilities to be exploited.
For CVE-2025-7775, the NetScaler must be set up as a Gateway (including VPN virtual server, ICA Proxy, CVPN, or RDP Proxy) or as an AAA virtual server. Affected versions include NetScaler ADC and NetScaler Gateway 13.1, 14.1…