CVE-2025-7775

CRITICALCISA KEV

9.8

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

CVE Details

CVSS v3.1 Score9.8

SeverityCRITICAL

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

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published8/26/2025

Last Modified10/24/2025

Sourcekev

Honeypot Sightings0

CISA KEV

VendorCitrix

ProductNetScaler

Vulnerability NameCitrix NetScaler Memory Overflow Vulnerability

KEV Date Added2025-08-26

Remediation Due Date2025-08-28

Ransomware UseUnknown

Affected Products

citrix:netscaler_application_delivery_controllercitrix:netscaler_gateway

Weaknesses (CWE)

CWE-119

References

https://support.citrix.com/support-home/kbsearch/article?articleNumber=CTX694938(secure@citrix.com)

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-7775(134c704f-9b21-4f2e-91b3-4a467353bcc0)

IOC Correlations

No correlations recorded

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