CVE-2025-40551
SolarWinds Web Help Desk Deserialization of Untrusted Data Remote Code Execution Vulnerability
- State
- Published
- Severity
- 9.8 Critical
- Published
- Jan 28, 2026
- Updated
- Oct 7, 2026
- Reserved
- Apr 16, 2025
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 9.8 Critical | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H | SolarWinds |
Weaknesses
- CWE-502 Deserialization of Untrusted Data
Affected Products
| Product | Versions |
|---|---|
Web Help DeskSolarWinds |
|
References
- https://www.solarwinds.com/trust-center/security-advisories/CVE-2025-40551vendor-advisorypatch
- https://documentation.solarwinds.com/en/success_center/whd/content/release_notes/whd_2026-1_release_notes.htmrelease-notes
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-40551government-resource
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