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CVE-2025-6543

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

POC

Reference

No PoCs from references.

Github

- https://github.com/0xAtef/0xAtef

- https://github.com/0xAtef/0xAtef.github.io

- https://github.com/JFR-C/Windows-Penetration-Testing

- https://github.com/Jean-Francois-C/Windows-Penetration-Testing

- https://github.com/Lakiya673/CVE-2025-5777

- https://github.com/NCSC-NL/citrix-2025

- https://github.com/PuddinCat/GithubRepoSpider

- https://github.com/abrahamsurf/citrixbleed2

- https://github.com/abrewer251/CVE-2025-6543_CitrixNetScaler_PoC

- https://github.com/brf2010/citrix-webshell-alert

- https://github.com/fox-it/citrix-netscaler-triage

- https://github.com/grupooruss/Citrix-cve-2025-6543

- https://github.com/lex1010/CVE-2025-6543

- https://github.com/mingshenhk/CitrixBleed-2-CVE-2025-5777-PoC-

- https://github.com/nomi-sec/PoC-in-GitHub

- https://github.com/packetinside/CISA_BOT

- https://github.com/plzheheplztrying/cve_monitor

- https://github.com/seabed-atavism/CVE-2025-6543

- https://github.com/ums91/CISA_BOT