Buffer overflow in Citrix Netscaler ADC and Citrix NetScaler Gateway - CVE-2025-7776

 

Buffer overflow in Citrix Netscaler ADC and Citrix NetScaler Gateway - CVE-2025-7776

Published: August 27, 2025 / Updated: August 30, 2025


Vulnerability identifier: #VU114448
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2025-7776
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Citrix
Affected software:
Citrix Netscaler ADC
Citrix NetScaler Gateway

Detailed vulnerability description

The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to a boundary error. A remote attacker can trigger memory corruption to cause unpredictable or erroneous behavior and perform a denial of service (DoS) attack.


How to mitigate CVE-2025-7776

Install updates from vendor's website.

Sources