Netherlands: Citrix Netscaler flaw CVE-2025-6543 exploited to breach orgs
The Netherlands' National Cyber Security Centre (NCSC) is warning that a critical Citrix NetScaler vulnerability tracked as CVE-2025-6543 was exploited to breach "critical organizations" in the country. The critical flaw is a memory overflow bug that allows unintended control flow or a denial of service state on impacted devices. "Memory overflow vulnerability leading to unintended control flow and Denial of Service in NetScaler ADC and NetScaler Gateway when configured as Gateway (VPN virtual