CVE Database · CVE-2025-6543
CVSS v3.1
9.8
CVSS v4.0
9.2
EPSS
9.76%
Published
Jun 25, 2025
Modified
Oct 24, 2025
CISA Known Exploited Vulnerability
Added: 2025-06-30 · Due: 2025-07-21
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Public PoC / Exploit (4)
All weaponized →Links to public security research (Exploit-DB, Nuclei, Trickest, GitHub) for defensive use only.
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
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HWeaknesses (CWE)
Affected Products (6)
References (2)