Answer in brief
CVE-2025-40551 records a High severity vulnerability in SolarWinds Web Help Desk Deserialization of Untrusted Data Remote Code Execution Vulnerability. The current sources mark it as known exploited. The current feed maps SolarWinds/Web Help Desk (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
A CVSS score is not reported in the current record. Known-exploitation status makes exposure review time-sensitive. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps SolarWinds/Web Help Desk (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| SolarWinds/Web Help Deskgeneric | 12.8.8 HF1 and below | Not reported |
Published upstream
Jan 28, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Feb 26, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
May 24, 2026
Added to CISA KEV
Feb 3, 2026
Evidence: source:kev:kev:kev:recordSolarWinds 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.
Quoted source text, attributed separately from HOL analysis.