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CVE-2025-40554

9.8 · CRITICAL

SolarWinds Web Help Desk was found to be susceptible to an authentication bypass vulnerability that, if exploited, could allow an attacker to invoke specific actions within Web Help Desk.

Published Jan 28, 2026CWE-1390EPSS 60.64%

Overview

CVE-2025-40554 is a critical-severity vulnerability. It was published on January 28, 2026 and has a CVSS 3.1 base score of 9.8 (CRITICAL).

This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

SolarWinds Web Help Desk was found to be susceptible to an authentication bypass vulnerability that, if exploited, could allow an attacker to invoke specific actions within Web Help Desk.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refdocumentation.solarwinds.com/en/success_center/whd/content/release_notes/whd_2026-1_release_notes.htmRefwww.solarwinds.com/trust-center/security-advisories/CVE-2025-40554

How CyberStrike helps

Frequently asked questions

What is CVE-2025-40554?

CVE-2025-40554 is a critical-severity vulnerability. It was published on January 28, 2026 and has a CVSS 3.1 base score of 9.8 (CRITICAL).

How severe is CVE-2025-40554?

This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2025-40554?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2025-40554?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2025-40554 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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