CVE-2025-40549

Critical

Description

A Path Restriction Bypass vulnerability exists in Serv-U that when abused, could give a malicious actor with access to admin privileges the ability to execute code on a directory. This issue requires administrative privileges to abuse. On Windows systems, this scored as medium due to differences in how paths and home directories are handled.

SeverityCritical
CVSS9.1
Exploit probability—
ProductSolarwinds Serv-u
PublishedNov 18, 2025
First seenNov 18, 2025

How to fix

Update
  • solarwinds serv-u15.5.3 or later

Affected products

ProductAffected versionsFixed in
solarwinds serv-uv < 15.5.315.5.3

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CVE-2025-40549 · Solarwinds Serv-u · Dark Radar