China-Linked Hackers Exploit VMware ESXi Zero
Vulnerabilities mentioned
All| CVE | Vulnerability | CVSS | EPSS | Signals | Published |
|---|---|---|---|---|---|
| CVE-2025-22224 | TOCTOU Out-of-Bounds Write in VMware ESXi and Workstation Enables Guest-to-Host Escape | 8.2 | 2% | KEV | KEV |
| CVE-2025-22225 | Sandbox Escape via Arbitrary Kernel Write in VMware ESXi (Actively Exploited) | 8.2 | 1% | KEVRansomware | KEV |
| CVE-2025-22226 | Out-of-Bounds Read in VMware ESXi, Workstation, and Fusion Leaks Host Memory via HGFS | 6.0 | 2% | KEV | KEV |
From the original article
4 min read at thehackernews.com
Chinese-speaking threat actors are suspected to have leveraged a compromised SonicWall VPN appliance as an initial access vector to deploy a VMware ESXi exploit that may have been developed as far back as February 2024. Cybersecurity firm Huntress, which observed the activity in December 2025 and stopped it before it could progress to the final stage, said it may have resulted in a ransomware attack.
By @TheHackersNews · thehackernews.com
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