Dutch Cyber Chaos: Citrix Vulnerability CVE-2025-6543 Hits Critical Organizations – Update Now or Be Outwitted!
The Netherlands’ National Cyber Security Centre warns that a Citrix NetScaler vulnerability, CVE-2025-6543, has been exploited in attacks. This memory overflow flaw allows remote control and denial of service, wreaking havoc on critical organizations. It seems hackers used the “surprise” feature in their toolkit without needing a manual!

Hot Take:
Look out, Netherlands, there’s a new villain in town, and it’s not Rembrandt’s ghost! Citrix’s NetScaler vulnerability is the latest cyber troublemaker, and it’s leaving some of the country’s critical infrastructure in a technological tizzy. Not exactly the kind of “going Dutch” we had in mind! While the NCSC scrambles to plug the leak and trace back the sinister breadcrumbs, hackers are slipping through the cracks like Dutch cheese. It’s like a cyber whodunit where the culprit is a line of code, not Professor Plum with the candlestick in the library. Our advice? Update your software before it’s too Gouda to be true!
Key Points:
– Critical Citrix NetScaler vulnerability CVE-2025-6543 is being exploited in the Netherlands.
– The vulnerability involves a memory overflow bug that can cause denial of service or unintended control flow.
– The NCSC warns that attackers have used the flaw for remote code execution before patches were available.
– Affected organizations include critical entities, with traces of the attacks being wiped clean.
– The NCSC has released mitigation advice and a script to detect signs of compromise.