TLDR InfoSec · ATTACKS & VULNERABILITIES
NETHERLANDS: CITRIX NETSCALER FLAW CVE-2025-6543 EXPLOITED TO BREACH ORGS
Summary from the TLDR InfoSec newsletter
The Netherlands' National Cyber Security Centre (NCSC) warns that a critical Citrix NetScaler vulnerability (CVE-2025-6543) has been actively exploited to breach critical organizations in the country. The flaw allows attackers to compromise NetScaler appliances and gain unauthorized access to organizational networks. Organizations using Citrix NetScaler are urged to apply patches immediately to prevent exploitation.