CVE-2021-31517: Trend Micro Home Network Security

High severity, CVSS 7.5. EPSS: 1.1% chance of exploitation in the next 30 days.

Trend Micro Home Network Security 6.5.599 and earlier is vulnerable to a file-parsing vulnerability which could allow an attacker to exploit the vulnerability and cause a denial-of-service to the device. This vulnerability is similar, but not identical to CVE-2021-31518.

Affected products

• Trend Micro Home Network Security: up to and including 6.5.599

Published 2021-05-05. Last modified 2026-06-17.