February 3, 2026 · Applied Cybernetics Group
CVE-2025-40551 — SolarWinds Web Help Desk
SolarWinds Web Help Desk Deserialization of Untrusted Data Vulnerability
- Added to KEV
2026-02-03- Federal due date
2026-02-06- Vendor
- SolarWinds
- Product
- Web Help Desk
- EPSS
- 99.5th percentile (score 0.870, as of
2026-06-08) - NVD CVSS v3.1
- —
- Ransomware use
- Unknown
- Upstream
- https://nvd.nist.gov/vuln/detail/CVE-2025-40551
CISA short description
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.
Required action
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.