Vulnerabilities CVE-2025-40551

CVE-2025-40551

Medium

Open

KEV

TLP:CLEAR

SolarWinds Web Help Desk Deserialization of Untrusted Data Vulnerability

NVD CVE.org

Supply Chain Attack

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Description

SolarWinds — Web Help Desk — 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.

Details

EPSS Score ⓘ: 83.62%

99.7th percentile
Confidence: 100%
CISA KEV
Date Added: Feb 3, 2026
Patch Due: Feb 6, 2026
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.

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