NetScaler ADC and Gateway
CVE-2025-7776: Memory overflow vulnerability leading to unpredictable or erroneous behavior and Denial of Service
Memory overflow vulnerability leading to unpredictable or erroneous behavior and Denial of Service in NetScaler ADC and NetScaler Gateway when NetScaler is configured as a Gateway (VPN virtual server, ICA Proxy, CVPN, RDP Proxy) with PCoIP Profile bounded to it
Published
Automatic summary from the vendor's CVE record. We haven't written a full analysis of this vulnerability yet.
Affected and fixed versions
| Product / branch | Fixed in |
|---|---|
| ADC 14.1 | 47.48 or later |
| ADC 13.1 | 59.22 or later |
| ADC 13.1 FIPS and NDcPP | 37.241 or later |
| ADC 12.1 FIPS and NDcPP | 55.330 or later |
| Gateway 14.1 | 47.48 or later |
| Gateway 13.1 | 59.22 or later |
| Gateway 13.1 FIPS and NDcPP | 37.241 or later |
| Gateway 12.1 FIPS and NDcPP | 55.330 or later |
Always confirm against the vendor advisory, which lists every fixed hotfix.
What it is
Memory overflow vulnerability leading to unpredictable or erroneous behavior and Denial of Service in NetScaler ADC and NetScaler Gateway when NetScaler is configured as a Gateway (VPN virtual server, ICA Proxy, CVPN, RDP Proxy) with PCoIP Profile bounded to it
Sources
KEV status, EPSS score and vendor data refreshed automatically, last on 11 Oct 2026.