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CVE-2025-40553

CRITICAL CVSS 3.1: 9.8 EPSS 17.3%
Updated Jan 28, 2026
SolarWinds
Parameter Value
CVSS 9.8 (CRITICAL)
Type CWE-502 (Deserialization of Untrusted Data)
Vendor SolarWinds
Public PoC No

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.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Privileges Required
None
No privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
High
Complete data leak
Integrity
High
Complete data modification
Availability
High
Complete denial of service

CVSS Vector v3.1