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Vulnerability record · CVE-2018-9249 · published 4 April 2018

CVE-2018-9249: Fiberhome vdsl2 modem hg 150-ub firmware improper authentication vulnerability

Fiberhome · Vdsl2 Modem Hg 150 Ub Firmware

FiberHome VDSL2 Modem HG 150-UB devices allow authentication bypass by ignoring the parent.location='login.html' JavaScript code in the response to an unauthenticated request.

9.8 CVSS 3.0 Critical EPSS 6.1% · top 6.8% CWE-287 · Improper authentication
9.8CVSS 3.0 base score, v2 7.5
6.1%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

FiberHome VDSL2 Modem HG 150-UB devices allow authentication bypass by ignoring the parent.location='login.html' JavaScript code in the response to an unauthenticated request.

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://gist.github.com/pak0s/cd7ac9c2ee659138816f92693d2df602 Third Party Advisory
https://gist.github.com/pak0s/cd7ac9c2ee659138816f92693d2df602 Third Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2018-9249), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.