Main Vulnerability Database Vulnerabilities #VU114448

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: 8.8 [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]

CVE-ID: CVE-2025-7776

CWE-ID: CWE-119

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vulnerability details

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.

Affected software

Citrix Netscaler ADC
Citrix NetScaler Gateway

How to mitigate CVE-2025-7776

Install updates from vendor's website.

Citrix Netscaler ADC - addressed in versions 12.1-55.330, 13.1-37.241, 13.1-59.22, 14.1-47.48
Citrix NetScaler Gateway - addressed in versions 13.1-59.22, 14.1-47.48

External References

https://support.citrix.com/support-home/kbsearch/article?articleNumber=CTX694938

Related Security Bulletins