CVE-2025-40553

EUVD-2025-206482
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
9.8 CRITICAL
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
SolarWindsCNA
9.8 CRITICAL
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 62%
Affected Products (NVD)
VendorProductVersion
solarwindsweb_help_desk
𝑥
< 2026.1
𝑥
= Vulnerable software versions
Common Weakness Enumeration
Vulnerability Media Exposure
References
https://documentation.solarwinds.com/en/success_center/whd/content/release_notes/whd_2026-1_release_notes.htm
https://www.solarwinds.com/trust-center/security-advisories/CVE-2025-40553