Threat Intelligence / CVE / CVE-2025-40552
CVE-2025-40552
RansomwareAs of 2026-02-26, CVE-2025-40552 is a CVSS 9.8 (CRITICAL-severity) vulnerability. EPSS exploitation probability 7.5%. Threadlinqs Intelligence tracks 1 threat exploiting it.
Last updated: 2026-02-26
SolarWinds Web Help Desk was found to be susceptible to an authentication bypass vulnerability that if exploited, would allow a malicious actor to execute actions and methods that should be protected by authentication.
CVSS v3 vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weaknesses (CWE)
CWE-1390
Threats tracking this CVE
- SolarWinds Web Help Desk Pre-Auth RCE Chain (CVE-2025-40552, CVE-2025-40553, CVE-2025-40554) — CRITICAL
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-2025-40552
- https://github.com/watchtowrlabs/watchTowr-vs-SolarWinds-WebHelpDesk-CVE-2025-40552-CVE-2025-40553/blob/main/watchTowr-vs-SolarWinds-WebHelpDesk-CVE-2025-40552-CVE-2025-40553.py
Full detection coverage & IOCs for threats exploiting CVE-2025-40552 are available via the Threadlinqs MCP server (Purple tier). View plans →
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Enriched from CVE.org, NVD (this product uses the NVD API but is not endorsed or certified by the NVD), FIRST EPSS, CISA KEV, and GitHub Security Advisories.