CVE-2025-7775 (GCVE-0-2025-7775)

Vulnerability from cvelistv5 – Published: 2025-08-26 12:56 – Updated: 2026-02-26 17:48
VLAI
Title
Memory overflow vulnerability leading to Remote Code Execution and/or Denial of Service
Summary
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
Severity
9.2 (Critical)
CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:L/SI:L/SA:L
SSVC
Exploitation: active Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-08-27 03:55 UTC
CWE
  • CWE-119 - Improper Restriction of Operations within the Bounds of a Memory Buffer
Assigner
References
Impacted products
Vendor Product Version
NetScaler ADC Affected: 14.1 , < 47.48 (patch)
Affected: 13.1 , < 59.22 (patch)
Affected: 13.1 FIPS and NDcPP , < 37.241 (patch)
Affected: 12.1 FIPS and NDcPP , < 55.330 (patch)
Create a notification for this product.
NetScaler Gateway Affected: 14.1 , < 47.48 (patch)
Affected: 13.1 , < 59.22 (patch)
Affected: 13.1 FIPS and NDcPP , < 37.241 (patch)
Affected: 12.1 FIPS and NDcPP , < 55.330 (patch)
Create a notification for this product.
Date Public
2025-08-26 12:52
Show details on NVD website
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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


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