SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityAnalyzed

CVE-2025-7776

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…

HIGH 8.8EPSS 6.90%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (6.90%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

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

CVSS 4.0
8.8 HIGHCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:H/SC:N/SI:N/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M
EPSS
6.90% probability · 94th percentile
CISA KEV
Not listed
Weakness
CWE-119
Affected
citrix/netscaler application delivery controller · citrix/netscaler gateway
Source
secure@citrix.com

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.