What’s Vulnerable › Vulnerabilities
CVE-2025-53378
- Severity: critical (CVSS 9.8 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.8% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2025-07-10 · updated 2026-06-17
- Weakness: CWE-306
Description
A missing authentication vulnerability in Trend Micro Worry-Free Business Security Services (WFBSS) agent could have allowed an unauthenticated attacker to remotely take control of the agent on affected installations. Also note: this vulnerability only affected the SaaS client version of WFBSS only, meaning the on-premise version of Worry-Free Business Security was not affected, and this issue was addressed in a WFBSS monthly maintenance update. Therefore no other customer action is required to mitigate if the WFBSS agents are on the regular SaaS maintenance deployment schedule and this disclosure is for informational purposes only.
Affected products
- Trend Micro, Inc. Trend Micro Worry-Free Business Security Services: from 6.7.0.0 before 6.7.3954; from 14.0.0 before 14.3.1299 — fixed in 14.3.1299, 6.7.3954
How to fix
Upgrade to a fixed version: Trend Micro, Inc. Trend Micro Worry-Free Business Security Services 14.3.1299, 6.7.3954. Check the vendor advisory for mitigations.
References
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