by Kastro
Paper/Archive/CVE-2025-41236

CVE-2025-41236

VMware ESXi — VMXNET3 integer-overflow vulnerability

EPSS 3%CVSS 9.3
critical.is priorityof 100
45
CVSS 9.3 (CNA)9.3 / 10 × 3027.9Not in CISA KEV+300.0EPSS percentile 85.5.855 × 2017.1No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

VMware ESXi, Workstation, and Fusion contain an integer-overflow vulnerability in the VMXNET3 virtual network adapter. A malicious actor with local administrative privileges on a virtual machine with VMXNET3 virtual network adapter may exploit this issue to execute code on the host. Non VMXNET3 virtual adapters are not affected by this issue.

Affected

ProductAffectedFixed inSource
ESXi8.0 – < ESXi80U3f-24784735ESXi80U3f-24784735CNA
ESXi8.0 – < ESXi80U2e-24789317ESXi80U2e-24789317CNA
ESXi7.0 – < ESXi70U3w-24784741ESXi70U3w-24784741CNA
Cloud Foundation5.x, 4.5.x–CNA
Workstation17.x – < 17.6.417.6.4CNA
Fusion13.x – 13.6.4–CNA
Telco Cloud Platform5.x, 4.x, 3.x, 2.x–CNA
Telco Cloud Infrastructure3.x, 2.x–CNA

Scores by source

vmware (CNA)9.3CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
CISA ADPSSVCExploitation: none · Automatable: no · Technical impact: total

References

refsupport.broadcom.com/web/ecx/support-content-notification/-/external/content/SecurityAdvisories/0/35877