CVE-2025-7775

CriticalCVSS 9.8/10Known exploited (CISA KEV)Last modified Jun 17, 2026

Description

Memory overflow vulnerability leading to Remote Code Execution and/or Denial of Service in NetScaler ADC and NetScaler Gateway when NetScaler is configured as Gateway (VPN virtual server, ICA Proxy, CVPN, RDP Proxy) or AAA virtual server

(OR)

NetScaler ADC and NetScaler Gateway 13.1, 14.1, 13.1-FIPS and NDcPP: LB virtual servers of type (HTTP, SSL or HTTP_QUIC) bound with IPv6 services or servicegroups bound with IPv6 servers

(OR)

NetScaler ADC and NetScaler Gateway 13.1, 14.1, 13.1-FIPS and NDcPP: LB virtual servers of type (HTTP, SSL or HTTP_QUIC) bound with DBS IPv6 services or servicegroups bound with IPv6 DBS servers

(OR)

CR virtual server with type HDX

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-119

Affected software

Vendor	Product	Versions
NetScaler	ADC	>= 14.1, < 47.48; >= 13.1, < 59.22; >= 13.1 FIPS and NDcPP, < 37.241; >= 12.1 FIPS and NDcPP, < 55.330
NetScaler	Gateway	>= 14.1, < 47.48; >= 13.1, < 59.22; >= 13.1 FIPS and NDcPP, < 37.241; >= 12.1 FIPS and NDcPP, < 55.330

References

https://support.citrix.com/support-home/kbsearch/article?articleNumber=CTX694938Vendor Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-7775US Government Resource

Timeline

Published: Aug 26, 2025
Last modified: Jun 17, 2026
Added to CISA KEV: Aug 26, 2025
NVD status: Analyzed

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