Description

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

INFO

Published Date :

2025-06-25T12:49:57.896Z

Last Modified :

2026-02-26T17:50:24.557Z

Source :

Citrix
AFFECTED PRODUCTS

The following products are affected by CVE-2025-6543 vulnerability.

Vendors Products
Citrix
  • Netscaler Application Delivery Controller
  • Netscaler Gateway
Netscaler
  • Adc
  • Gateway
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2025-6543.

URL Resource
https://support.citrix.com/support-home/kbsearch/article?articleNumber=CTX694788 cve-icon cve-icon
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-6543 cve-icon cve-icon
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CVSS Vulnerability Scoring System

Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Attack Requirements
Privileges Required
User Interaction
VS Confidentiality
VS Integrity
VS Availability
SS Confidentiality
SS Integrity
SS Availability
Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact