CVE-2021-31517

7.5 highEPSS 1.1%

High (7.5) in trendmicro home network security. 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.

Severity

CVSS 3.1

7.5 high

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS: 1.1% chance of exploitation in the next 30 days; higher than 65% of CVEs (scores of 2026-11-01)
Published: 2021-05-05
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

trendmicro:home_network_security

References

https://helpcenter.trendmicro.com/en-us/article/TMKA-10312
https://helpcenter.trendmicro.com/en-us/article/TMKA-10312

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