{"id":"CVE-2025-40551","title":"SolarWinds Web Help Desk Deserialization of Untrusted Data Remote Code Execution Vulnerability","summary":"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 …","severity":"critical","cvss":9.8,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","cvssSource":"cna","cwe":["CWE-502"],"vendor":"SolarWinds","product":"Web Help Desk","affected":["web_help_desk 12.8.8 HF1 and below"],"ssvc":{"exploitation":"active","automatable":"yes","technicalImpact":"total","timestamp":"2026-02-04T04:55:44.585122Z"},"exploited":true,"exploitAvailable":true,"published":"2026-01-28","updated":"2026-10-07","sourceUpdated":"2026-10-07T17:55:29.348Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2025-40551","references":[{"url":"https://www.solarwinds.com/trust-center/security-advisories/CVE-2025-40551"},{"url":"https://documentation.solarwinds.com/en/success_center/whd/content/release_notes/whd_2026-1_release_notes.htm"}],"tags":["cve.org","in-the-wild","exploit-available","kev"],"epss":0.84181,"epssPercentile":0.99692,"kev":true,"kevDateAdded":"2026-02-03","kevDueDate":"2026-02-06","kevRansomware":false,"exploits":{"metasploit":["exploit/multi/http/solarwinds_webhelpdesk_rce"],"nuclei":["CVE-2025-40551"],"checkedAt":"2026-10-07T18:42:55.499Z"},"ingestedAt":"2026-10-07T18:42:20.911Z","slug":"CVE-2025-40551","body":"## Overview\n\nSolarWinds 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.\n\n## Affected\n\n- `web_help_desk 12.8.8 HF1 and below`\n\n## Remediation\n\nSolarWinds recommends customers upgrade to Web Help Desk version 2026.1.","depth":"hadal","depthScore":96,"depthScoreParts":{"impact":53.9,"likelihood":16.8,"exploitation":25,"ransomware":0},"changes":[]}