CVE-2025-40551

high-risk
Published 2026-01-28

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.

Do I need to act?

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89.9% chance of exploitation in next 30 days
EPSS score — higher than 10% of all CVEs
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CISA KEV: actively exploited in the wild
On the Known Exploited Vulnerabilities catalog — federal agencies must patch
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
9
CVSS 9.8/10 Critical
NETWORK / LOW complexity

Affected Products (1)

Affected Vendors

Solarwinds

References (3)

Release Notes https://documentation.solarwinds.com/en/success_center/whd/content/release_notes...
Vendor Advisory https://www.solarwinds.com/trust-center/security-advisories/CVE-2025-40551
US Government Resource https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-...
64
/ 100
high-risk
Severity 32/34 · Critical
Exploitability 27/34 · High
Exposure 5/34 · Minimal