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WatchGuard Warns of Active Exploitation of Critical Vulnerability in Firebox and XTM Appliances – December 2025

Author/Source: The Hacker News See the full link here

Takeaway

This article explains a serious security problem affecting WatchGuard Firebox and XTM devices. Attackers are actively using this weakness to take control of these devices. It’s very important for anyone using these products to make sure they are updated to the latest software.


Technical Subject Understandability

Intermediate


Analogy/Comparison

Imagine a company found a faulty lock on some of its safes but already sent out new, stronger locks to everyone. This article is about thieves finding and using the old, broken locks on safes that haven’t been updated yet.


Why It Matters

This issue matters because if these devices are not updated, hackers can gain full control over a company’s network, potentially stealing information or causing major disruptions. For example, a group called Black Basta has been using this vulnerability to break into company networks and demand ransom money.


Related Terms

Vulnerability, Exploitation, Firmware, Ransomware. Jargon Conversion: A vulnerability is a weakness in software or hardware that can be attacked. Exploitation is when someone uses that weakness to cause harm or gain control. Firmware is the basic software built into a device that makes it run. Ransomware is a type of harmful software that locks up computers until money is paid.

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