CVE-2019-11061

HG100 has a broken access control vulnerability in its Web API Server

CRITICAL
10
CVSS Score
Published: August 29, 2019 at 12:18 AM UTC
Updated: June 17, 2026 at 02:12 AM UTC
2 products affected across 1 vendorHG100 firmwareHg100

Using HG100 firmware by ASUS?

Get instant alerts when new vulnerabilities affect HG100 firmware - before attackers find them.

Real-time alertsTrack your software stackFree plan available
Severity
CRITICAL10
Exploit prediction
EPSS 4%

Description

A broken access control vulnerability in HG100 firmware versions up to 4.00.06 allows an attacker in the same local area network to control IoT devices that connect with itself via http://[target]/smarthome/devicecontrol without any authentication. CVSS 3.0 base score 10 (Confidentiality, Integrity and Availability impacts). CVSS vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H).

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v ≤ 4.00.0.6v < 4.00.09
Affected range stops below 4.00.09, so it looks safe — our inference, not a vendor statement
asus-hg100 (same device)
80%
All versions

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (3)

x_refsource_CONFIRMThird Party Advisory
http://surl.twcert.org.tw/5df6x
x_refsource_CONFIRMExploitThird Party Advisory
https://github.com/tim124058/ASUS-SmartHome-Exploit/
x_refsource_CONFIRMExploitThird Party Advisory
https://tvn.twcert.org.tw/taiwanvn/TVN-201906003

CVSS

10CRITICALtwcert
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-306

Get alerted

Stop reading CVE feeds looking for your own stack

Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.

Free plan, no card