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CVE-2025-6543

nvd nist
Published: Jun 25, 2025Modified: Jun 17, 2026CISA KEV

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9.2
Vector
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
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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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:XShow less
Source: secure@citrix.com (Secondary)

Description

Memory overflow vulnerability leading to unintended control flow and Denial of Service in NetScaler ADC and NetScaler Gateway when configured as Gateway (VPN virtual server, ICA Proxy, CVPN, RDP Proxy) OR AAA virtual server

Affected (6)

Citrix
2 products
Netscaler Application Delivery Controller
Netscaler Gateway
Configuration A
4 vulnerable
Vulnerable SoftwareAffected Versions
Citrix
Netscaler Application Delivery Controller
From 13.1 to 13.1-59.19
Netscaler Application Delivery Controller
From 14.1 to 14.1-47.46
Netscaler Application Delivery Controller
From 13.1 to 13.1-37.236
Netscaler Application Delivery Controller
From 13.1 to 13.1-37.236
Configuration B
2 vulnerable
Vulnerable SoftwareAffected Versions
Citrix
Netscaler Gateway
From 13.1 to 13.1-59.19
Netscaler Gateway
From 14.1 to 14.1-47.46

Related CWEs

CWE-119
Improper Restriction of Operations within the Bounds of a Memory Buffer
The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.

References (2)

Source: secure@citrix.com
Vendor Advisory
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
US Government Resource

Timeline

No history available yet.