{"cvss":0.0,"datePublished":"2025-06-25T00:00:00Z","dateUpdated":"2025-06-25T00:00:00Z","description":"Citrix NetScaler ADC and Gateway contain a buffer overflow vulnerability leading to unintended control flow and Denial of Service. NetScaler must be configured as Gateway (VPN virtual server, ICA Proxy, CVPN, RDP Proxy) OR AAA virtual server.","dueDate":"2025-07-21T00:00:00Z","id":"CVE-2025-6543","kev_catalogs":["vulncheck"],"knownRansomwareCampaignUse":"Unknown","product":"NetScaler ADC and NetScaler Gateway","requiredAction":"Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.","severity":"HIGH","source":"vulncheck_kev","title":"Citrix NetScaler ADC and Gateway Buffer Overflow Vulnerability","vendor":"Citrix"}