CVE-2025-6543

CriticalKnown Exploited

Memory overflow vulnerability leading to unintended control flow and Denial of Service in NetScaler ADC and NetScaler Gateway when…

Citrix·CWE-119·Published 2025-06-25

CVSS

9.8

EPSS

0.10

KEV

Yes

Exploits

cve.orgen

223 chars

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

NVDen

223 chars

NVDes

260 chars

Vulnerabilidad de desbordamiento de memoria que provoca un flujo de control no deseado y una denegación de servicio en NetScaler ADC y NetScaler Gateway cuando se configuran como Gateway (servidor virtual VPN, proxy ICA, CVPN, proxy RDP) O servidor virtual AAA

CVSS metrics across sources

Version	Type	Source	Base	Exp	Impact	Vector
3.1	Primary	NVD	9.8	3.9	5.9	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
4.0	Primary	cve.org	9.2	—	—	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
4.0	Secondary	NVD	9.2	—	—	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