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CVE-2025-41226— Guest Operations Denial-of-Service Vulnerability

Quick assessment

Affected
VMware ESXi
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

VMware ESXi是美国威睿（VMware）公司的一套可直接安装在物理服务器上的服务器虚拟化平台。 VMware ESXi存在安全漏洞，该漏洞源于具有客户机操作权限的攻击者可触发拒绝服务条件。

CVSS 6.8 · Medium EPSS 0.24% · P14

Possible ATT&CK Techniques 1 AI

T1499.002 · Service Exhaustion Flood
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I. Basic Information for CVE-2025-41226

Vulnerability Information
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Vulnerability Title
Guest Operations Denial-of-Service Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
VMware ESXi contains a denial-of-service vulnerability that occurs when performing a guest operation. A malicious actor with guest operation privileges on a VM, who is already authenticated through vCenter Server or ESXi may trigger this issue to create a denial-of-service condition of guest VMs with VMware Tools running and guest operations enabled.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
未加控制的资源消耗(资源穷尽)
Source: CVE Program / CVE List V5
Vulnerability Title
VMware ESXi 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
VMware ESXi是美国威睿（VMware）公司的一套可直接安装在物理服务器上的服务器虚拟化平台。 VMware ESXi存在安全漏洞，该漏洞源于具有客户机操作权限的攻击者可触发拒绝服务条件。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
VMware ESXi 8.0 ~ ESXi80U3se-24659227 -
VMware Cloud Foundation 5.x, 4.5.x -
VMware Telco Cloud Platform 5.x, 4.x, 3.x, 2.x -
VMware Telco Cloud Infrastructure 3.x, 2.x -

II. Public POCs for CVE-2025-41226

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III. Intelligence Information for CVE-2025-41226

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Same Patch Batch · VMware · 2025-05-20 · 6 CVEs total

CVE-2025-41225 8.8 HIGH VMware vCenter Server authenticated command-execution vulnerability
CVE-2025-41229 8.2 HIGH VMware Cloud Foundation Directory Traversal Vulnerability
CVE-2025-41230 7.5 HIGH VMware Cloud Foundation Information Disclosure Vulnerability
CVE-2025-41227 5.5 MEDIUM Denial-of-Service Vulnerability
CVE-2025-41228 4.3 MEDIUM VMware ESXi and vCenter Server Reflected Cross Site Scripting (XSS) Vulnerability

IV. Related Vulnerabilities

Same product: ESXi
Same vendor: VMware
Same weakness: CWE-400

V. Comments for CVE-2025-41226

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