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Fencer Intel
high 7.8

CVE-2021-25247 json

A DLL hijacking vulnerability Trend Micro HouseCall for Home Networks version 5.3.1063 and below could allow an attacker to use a malicious…

published 5y ago modified 4mo ago also EUVD-2021-12158

cvss
7.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.8%
EPSS 0.8% chance of exploitation in 30 days, percentile 56%
public exploits
0
none known

Summary

A DLL hijacking vulnerability Trend Micro HouseCall for Home Networks version 5.3.1063 and below could allow an attacker to use a malicious DLL to escalate privileges and perform arbitrary code execution. An attacker must already have user privileges on the machine to exploit this vulnerability.

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Exploit prediction

0.78% chance of exploitation in the next 30 days, higher than 56% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD 2.0 4.4 AV:L/AC:M/Au:N/C:P/I:P/A:P

Affected products

  • Trend Micro Trend Micro HouseCall for Home Networks

Classification

Weakness
  • CWE-427 Uncontrolled Search Path Element

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.