Integer overflow in VMware ESXi - CVE-2025-41236
Published: July 17, 2025
Vulnerability identifier: #VU113006
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2025-41236
CWE-ID: CWE-190
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: VMware, Inc
Affected software:
VMware ESXi
VMware ESXi
Detailed vulnerability description
The vulnerability allows an attacker to compromise the host OS.
The vulnerability exists due to integer overflow in the VMXNET3 virtual network adapter. A malicious guest with administrative privileges can trigger an integer overflow and execute arbitrary code on the host OS.
How to mitigate CVE-2025-41236
Install updates from vendor's website.