CVE-2025-40551

Published Jan 28, 2026

Last updated 6 days ago

SolarWinds Web Help Desk

Overview

AI description

Automated description summarized from trusted sources.

CVE-2025-40551 is a remote code execution (RCE) vulnerability identified in SolarWinds Web Help Desk (WHD) software. This flaw originates from an untrusted data deserialization weakness, which allows an attacker to execute commands on the host machine. Exploitation of CVE-2025-40551 can occur without requiring authentication. This vulnerability is often discussed alongside other related issues in SolarWinds WHD, forming potential attack chains.

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.
Source: psirt@solarwinds.com
NVD status: Analyzed
Products: web_help_desk

Risk scores

CVSS 3.1

Type: Secondary
Base score: 9.8
Impact score: 5.9
Exploitability score: 3.9
Vector string: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Severity: CRITICAL

Weaknesses

psirt@solarwinds.com: CWE-502

Hype score: Not currently trending

Configurations

[
  {
    "nodes": [
      {
        "negate": false,
        "cpeMatch": [
          {
            "criteria": "cpe:2.3:a:solarwinds:web_help_desk:*:*:*:*:*:*:*:*",
            "vulnerable": true,
            "matchCriteriaId": "F7CADB33-214C-441A-BB62-64811EBBEB29",
            "versionEndExcluding": "2026.1"
          }
        ],
        "operator": "OR"
      }
    ]
  }
]

References

Sources include official advisories and independent security research.