A AegiFlow
UNKNOWNKNOWN EXPLOITED

CVE-2025-6543

Citrix NetScaler ADC and Gateway Buffer Overflow Vulnerability

Published
2025-06-30
Modified
2026-07-31
Sources
cisa-kev

Summary

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.

References

Includes data from the CISA Known Exploited Vulnerabilities catalog.

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