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RansomwarecriticalExploited in the wild

Chinese-speaking hackers exploited ESXi zero

Security Affairsby @securityaffairs ()3 min read1
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Vulnerabilities mentioned

All
CVEVulnerabilityCVSSEPSSSignalsPublished
CVE-2025-22224
TOCTOU Out-of-Bounds Write in VMware ESXi and Workstation Enables Guest-to-Host Escape
8.22%KEV
KEV
CVE-2025-22225
Sandbox Escape via Arbitrary Kernel Write in VMware ESXi (Actively Exploited)
8.21%KEVRansomware
KEV
CVE-2025-22226
Out-of-Bounds Read in VMware ESXi, Workstation, and Fusion Leaks Host Memory via HGFS
6.02%KEV
KEV

From the original article

3 min read at securityaffairs.com

Chinese-speaking attackers used a hacked SonicWall VPN to deploy ESXi zero-days that were likely exploited over a year before public disclosure. Chinese-speaking attackers were seen abusing a hacked SonicWall VPN to deliver a toolkit targeting VMware ESXi. The exploit chain included a sophisticated VM escape and appears to have been developed more than a year before the related VMware flaws were publicly disclosed.

Security Affairs

By @securityaffairs · securityaffairs.com

Read the full article at Security Affairs

A short excerpt; the article and its images belong to the publisher. Summary, key facts and assessment above are AI-written from the article and can be wrong.