CVE-2018-9248

CRITICAL

FiberHome VDSL2 Modem HG 150-UB Firmware - Authentication Bypass via Cookie Header

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2018-9248. PoCs published by Noman Riffat.

AI-analyzed exploit summary The exploit describes an authentication bypass vulnerability in FiberHome VDSL2 Modem HG 150-UB due to hardcoded cookies and improper session handling. Attackers can bypass login by setting a specific cookie or manipulating HTTP response headers.

Description

FiberHome VDSL2 Modem HG 150-UB devices allow authentication bypass via a "Cookie: Name=0admin" header.

Exploits (1)

exploitdb WRITEUP
by Noman Riffat · textwebappshardware
https://www.exploit-db.com/exploits/44413

The exploit describes an authentication bypass vulnerability in FiberHome VDSL2 Modem HG 150-UB due to hardcoded cookies and improper session handling. Attackers can bypass login by setting a specific cookie or manipulating HTTP response headers.

Classification
Writeup 90%
Attack Type
Auth Bypass
Complexity
Trivial
Reliability
Reliable
Target: FiberHome VDSL2 Modem HG 150-UB
No auth needed
Prerequisites: Access to the target modem's login page · Ability to modify cookies or HTTP headers
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (2)

Core 2
Core References
Third Party Advisory, VDB Entry exploit x_refsource_exploit-db
https://www.exploit-db.com/exploits/44413/

Scores

CVSS v3 9.8
EPSS 0.1525
EPSS Percentile 96.3%
Attack Vector NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-287
Status published
Products (1)
fiberhome/vdsl2_modem_hg_150-ub_firmware
Published Apr 04, 2018
Tracked Since Feb 18, 2026