CVE-2025-40540
Type Confusion in Serv-U Allows Privileged Arbitrary Code Execution
Publication date: 2026-02-24
Last updated on: 2026-02-24
Assigner: SolarWinds
Description
Description
CVSS Scores
EPSS Scores
| Probability: | |
| Percentile: |
Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| solarwinds | serv-u | to 15.5.4 (exc) |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-704 | The product does not correctly convert an object, resource, or structure from one type to a different type. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability is a type confusion issue in Serv-U software. When exploited, it allows a malicious actor to execute arbitrary native code with privileged account rights.
Exploitation requires administrative privileges, meaning the attacker must already have high-level access to abuse this vulnerability.
On Windows systems, the risk is considered medium because services often run under less-privileged accounts by default, reducing the likelihood of full privilege exploitation.
How can this vulnerability impact me? :
If exploited, this vulnerability can lead to execution of arbitrary code with privileged access, potentially allowing an attacker to take full control of the affected system.
This can result in complete compromise of confidentiality, integrity, and availability of the system and its data.
However, exploitation requires administrative privileges, so the impact depends on the attacker's existing access level.
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
I don't know
How can this vulnerability be detected on my network or system? Can you suggest some commands?
I don't know
What immediate steps should I take to mitigate this vulnerability?
I don't know