Unrated severityNVD Advisory· Published Jan 28, 2026· Updated Feb 27, 2026
SolarWinds Web Help Desk Deserialization of Untrusted Data Remote Code Execution Vulnerability
CVE-2025-40553
Description
SolarWinds Web Help Desk was found to be susceptible to an untrusted data deserialization vulnerability that could lead to remote code execution, which would allow an attacker to run commands on the host machine. This could be exploited without authentication.
Affected products
2- SolarWinds/Web Help Deskv5Range: 12.8.8 HF1 and below
Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
2News mentions
2- 16th March – Threat Intelligence ReportCheck Point Research · Mar 16, 2026
- Buy A Help Desk, Bundle A Remote Access Solution? (SolarWinds Web Help Desk Pre-Auth RCE Chain(s))watchTowr Labs · Feb 25, 2026