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CVE-2025-40551 — Actively Exploited: Web Help Desk (SolarWinds)

SolarWinds Web Help Desk contains a deserialization of untrusted data 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.

CVE IDCVE-2025-40551
VendorSolarWinds
ProductWeb Help Desk
Vulnerability nameSolarWinds Web Help Desk Deserialization of Untrusted Data Vulnerability
Date added2026-02-03
Remediation due2026-02-06
Known ransomware useUnknown
Required actionApply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
DescriptionSolarWinds Web Help Desk contains a deserialization of untrusted data 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.
SourceCISA Known Exploited Vulnerabilities

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