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Fencer Intel
high 8.1

CVE-2018-12528 json

An issue was discovered on Intex N150 devices.

published 8y ago modified 4mo ago also EUVD-2018-4498

cvss
8.1
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.4%
EPSS 1.4% chance of exploitation in 30 days, percentile 72%
public exploits
0
none known

Summary

An issue was discovered on Intex N150 devices. The backup/restore option does not check the file extension uploaded for importing a configuration files backup, which can lead to corrupting the router firmware settings or even the uploading of malicious files. In order to exploit the vulnerability, an attacker can upload any malicious file and force reboot the router with it.

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Exploit prediction

1.41% chance of exploitation in the next 30 days, higher than 72% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • exploit-db.com https://www.exploit-db.com/exploits/44933/ referenced PoC, tagged "exploit" by a source, unverified
  • securitywarrior9.blogspot.com http://securitywarrior9.blogspot.com/2018/06/malicious-file-upload-intex-router-n.html referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.0 8.1 CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
NVD 2.0 7.5 AV:N/AC:L/Au:S/C:N/I:P/A:C

Classification

Weakness
  • CWE-434 Unrestricted Upload of File with Dangerous Type

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.