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THREATINT
PUBLISHED

CVE-2025-5777

NetScaler ADC and NetScaler Gateway - Insufficient input validation leading to memory overread



Description

Insufficient input validation leading to memory overread when the NetScaler is configured as a Gateway (VPN virtual server, ICA Proxy, CVPN, RDP Proxy) OR AAA virtual server

Reserved 2025-06-06 | Published 2025-06-17 | Updated 2025-07-30 | Assigner Citrix


CRITICAL: 9.3CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:L/SI:L/SA:L

CISA Known Exploited Vulnerability

Date added 2025-07-10 | Due date 2025-07-11

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Problem types

CWE-125 Out-of-bounds Read

Product status

Default status
unaffected

14.1 before 43.56
affected

13.1 before 58.32
affected

Default status
unaffected

14.1 before 43.56
affected

13.1 before 58.32
affected

References

support.citrix.com/...search/article?articleNumber=CTX693420

cve.org (CVE-2025-5777)

nvd.nist.gov (CVE-2025-5777)

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