CVE-2025-41236 — AI Deep Analysis Summary

🚨 **Essence**: A critical buffer error in VMware's virtual network adapter (VMXNET3). <br>⚡ **Consequences**: Integer overflow can lead to **arbitrary code execution**.…

🛡️ **Root Cause**: **CWE-787** (Out-of-bounds Write). <br>🔍 **Flaw**: The VMXNET3 virtual network adapter suffers from an **integer overflow**, allowing attackers to write data outside allocated memory boundaries.

🏢 **Affected Products**: <br>• **VMware ESXi** (Server Virtualization) <br>• **VMware Workstation** (Desktop VM) <br>• **VMware Fusion** (Mac VM) <br>📅 **Published**: July 15, 2025.

💀 **Attacker Capabilities**: <br>• **Privileges**: Can execute **arbitrary code**. <br>• **Impact**: Full compromise (Confidentiality, Integrity, Availability all High).…

🔓 **Exploitation Threshold**: **Low**. <br>• **Access Vector**: Local (AV:L). <br>• **Complexity**: Low (AC:L). <br>• **Auth**: None required (PR:N). <br>• **User Interaction**: None required (UI:N).…

🌐 **Public Exploit**: **No**. <br>• **PoCs**: None listed in the data. <br>• **Wild Exploitation**: No evidence of active wild exploitation yet. <br>📉 **Risk**: Still high due to low exploitation complexity.

🔍 **Self-Check**: <br>1. Identify if you run **VMware ESXi, Workstation, or Fusion**. <br>2. Check for **VMXNET3** network adapter usage. <br>3. Scan for unpatched versions against the July 2025 release. <br>4.…

🩹 **Official Fix**: **Yes**. <br>• **Vendor**: Broadcom/VMware. <br>• **Action**: Update to the patched version. <br>• **Reference**: Broadcom Security Advisory 35877.…

🚧 **No Patch Workaround**: <br>• **Network Segmentation**: Isolate vulnerable hosts. <br>• **Access Control**: Strictly limit **local physical/logical access**.…

🔥 **Urgency**: **CRITICAL**. <br>• **CVSS**: High (H/H/H). <br>• **Priority**: **P1**. <br>• **Reason**: No auth needed, no user interaction, and leads to full code execution.…