vmxnet3 is a ESXi-specific network card emulator. We've done some research on binary diffing and exploitation of it previously: https://zerodayengineering.com/research/vmware-esxi-vmxnet3-from-patch-to-poc.html
It is included as a hands-on case study in Hypervisor Vulnerability Research training: https://zerodayengineering.com/training/hypervisor-vulnerability-research.html
Alpha Exploit Intelligence subscription offers an experienced human practitioner advisory on current threat landscape – join the next cohort: https://zerodayengineering.com/intelligence/alpha/index.html
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zerodayalpha VMware just released a critical security update for ESXi hypervisor suite (VMSA-2026-0006). Two attack vectors: 1. Remote attack on vCenter – CVE-2026-59309: auth bypass via network access CVE-2026-59310: directory traversal RCE An exploit would allow…Zerodayengineering Alpha Intelligence — Zero Day Engineering Alpha Intelligence. Exploit alerts, deep technical analysis, and apex offensive judgment for defensive decision makers.
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