CVE-2025-6543: Citrix Net Scaler ADC and Gateway Buffer Overflow Vulnerability
Citrix NetScaler ADC and Gateway contain a buffer overflow vulnerability leading to unintended control flow and Denial of Service. NetScaler must be configured as Gateway (VPN virtual server, ICA Proxy, CVPN, RDP Proxy) OR AAA virtual server.
Read the original at CISA KEV Catalog ↗
- Topics
- Vulnerabilities & Patching
- Mentions
- CVE-2025-6543Citrix
- Related
- CVE-2026-88779: Citrix Net Scaler Improper Restriction of Operations within the Bounds of a Memory Buffer Vulnerability Known Exploited Vulnerabilities · Oct 04, 2026CVE-2026-88771: Citrix Net Scaler Improper Input Validation Vulnerability Known Exploited Vulnerabilities · Sep 27, 2026CVE-2026-88772: Citrix Net Scaler Improper Restriction of Operations within the Bounds of a Memory Buffer Vulnerability Known Exploited Vulnerabilities · Sep 27, 2026