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CVE-2025-40539— SolarWinds Serv-U Type Confusion Remote Code Execution Vulnerability

Quick assessment

Affected
SolarWinds Serv-U
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

SolarWinds Serv-U是美国SolarWinds公司的一款 FTP（文件传输协议）服务器软件。 SolarWinds Serv-U存在代码问题漏洞，该漏洞源于类型混淆，可能导致执行任意本机代码。

CVSS 9.1 · Critical EPSS 0.45% · P37
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I. Basic Information for CVE-2025-40539

Vulnerability Information
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Vulnerability Title
SolarWinds Serv-U Type Confusion Remote Code Execution Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
不正确的类型转换
Source: CVE Program / CVE List V5
Vulnerability Title
SolarWinds Serv-U 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
SolarWinds Serv-U是美国SolarWinds公司的一款 FTP（文件传输协议）服务器软件。 SolarWinds Serv-U存在代码问题漏洞，该漏洞源于类型混淆，可能导致执行任意本机代码。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

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Affected Products

Vendor Product Affected Versions CPE Subscribe
SolarWinds Serv-U SolarWinds Serv-U 15.5.3 and prior versions -

II. Public POCs for CVE-2025-40539

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III. Intelligence Information for CVE-2025-40539

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Same Patch Batch · SolarWinds · 2026-02-24 · 4 CVEs total

CVE-2025-40538 9.1 CRITICAL SolarWinds Serv-U Broken Access Control Remote Code Execution Vulnerability
CVE-2025-40540 9.1 CRITICAL SolarWinds Serv-U Type Confusion Remote Code Execution Vulnerability
CVE-2025-40541 9.1 CRITICAL SolarWinds Serv-U Insecure Direct Object Reference (IDOR) Remote Code Execution Vulnerabil

IV. Related Vulnerabilities

Same product: Serv-U
Same vendor: SolarWinds
Same weakness: CWE-704

V. Comments for CVE-2025-40539

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