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VMWARE Vulnerabilities (2025):
CVE-2025-22225 is an arbitrary write vulnerability in VMware ESXi. In technical terms, it allows an attacker with access inside a virtual machine’s VMX process to perform unauthorized writes to the system’s kernel, which could lead to a full escape from the VM sandbox. To put it simply, think of each virtual machine as a child’s playroom inside a house. Normally, kids can only play inside their own rooms, but this flaw is like cutting a hole in the wall—suddenly, someone inside one playroom can sneak out and scribble on the walls of the entire house.

CVE-2025-22224 affects VMware ESXi and Workstation through what’s called a time-of-check time-of-use (TOCTOU) race condition. This issue could let an attacker with administrator rights inside a VM trick the system into writing data where it doesn’t belong, eventually allowing them to run their own code on the host machine. In everyday terms, imagine checking that a door is locked, but right as you walk away, someone slips in before it actually latches. That’s how attackers can sneak their code into places it doesn’t belong.

CVE-2025-22226 is an information disclosure vulnerability that impacts VMware ESXi, Workstation, and Fusion. The flaw lies in how the system handles file sharing, and successful exploitation can allow attackers to read memory they should never see. Explained simply, it’s like someone being able to peek through a crack in a door and see private notes left in another room. Even if they can’t change anything, just being able to look where they shouldn’t is a serious problem.

If left unpatched, these weaknesses create an opening for ransomware groups and other attackers to exploit. The good news is that VMware has issued mitigations, and NetXL specializes in applying them quickly, verifying protection, and aligning your systems with federal guidance to reduce risk.

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