CVE-2025-40539: SolarWinds Serv-U Type Confusion Remote Code Execution Vulnerability
A type confusion vulnerability exists in Serv-U which when exploited, gives a malicious actor the ability to execute arbitrary native code as privileged account.
This issue requires administrative privileges to abuse. On Windows deployments, the risk is scored as a medium because services frequently run under less-privileged service accounts by default.
Affected Software
Remediation
Information
Event History
Frequently Asked Questions
What is the severity of CVE-2025-40539?
CVE-2025-40539 is rated as a critical severity vulnerability due to its potential for remote code execution.
How does CVE-2025-40539 affect affected systems?
CVE-2025-40539 affects SolarWinds Serv-U by allowing a malicious actor to execute arbitrary code with administrative privileges.
What are the requirements for exploiting CVE-2025-40539?
Exploitation of CVE-2025-40539 requires administrative privileges on the affected SolarWinds Serv-U system.
How can I fix CVE-2025-40539?
The best way to mitigate CVE-2025-40539 is to apply the latest patches and updates provided by SolarWinds for Serv-U.
Who is primarily impacted by CVE-2025-40539?
Organizations using SolarWinds Serv-U are primarily impacted by CVE-2025-40539, especially those with compromised administrative accounts.