CVE-2018-9249
FiberHome VDSL2 Modem HG 150-UB devices allow authentication bypass by ignoring the parent...
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2018-9249- CVSS 3.0
- 9.8 Critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-287
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2018-9249- Updated
- 2026-11-02
EUVDEUVD-2018-20843 No score
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.
- Record
EUVD-2018-20843- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-99jj-qh79-5jr9
FiberHome VDSL2 Modem HG 150-UB devices allow authentication bypass by ignoring the parent...
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.
- Record
GHSA-99jj-qh79-5jr9- CVSS 3.0
- 9.8 Critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-287
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2018-9249 is a critical vulnerability (CVSS 9.8) in Fiberhome Vdsl2 Modem Hg 150-ub Firmware, published April 4, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 6.12%, the 93rd percentile. No source names a fixed version.