---
id: CVE-2026-89174
title: >-
  Smart Video Intercom System developed by Kingdom Communication Associated has
  a Missing Brute-force Protection vulnerability
summary: >-
  Smart Video Intercom System developed by Kingdom Communication Associated has
  a Missing Brute-force Protection vulnerability. Unauthenticated remote
  attackers can gain access to valid accounts through a large number of login
  attempts.
severity: high
cvss: 7.5
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N'
cwe:
  - CWE-307
vendor: Kingdom Communication Associated
product: EH3040
affected:
  - EH3040 < 2.5.0A
  - EH4200 < 2.5.0A
  - EH1000B < 2.7.0A
  - EH2070 < 2.8.0A
published: '2026-09-11'
updated: '2026-09-11'
sourceUpdated: '2026-09-11T16:17:49.810'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-89174'
references:
  - url: 'https://www.twcert.org.tw/en/cp-139-11199-38e1e-2.html'
    label: twcert@cert.org.tw
  - url: 'https://www.twcert.org.tw/tw/cp-132-11198-b8bba-1.html'
    label: twcert@cert.org.tw
tags:
  - nvd
  - cve.org
ssvc:
  exploitation: none
  automatable: 'yes'
  technicalImpact: partial
  timestamp: '2026-09-11T15:47:22.171888Z'
epss: 0.00375
epssPercentile: 0.31375
ingestedAt: '2026-09-11T16:45:47.860Z'
---

## Overview

Smart Video Intercom System developed by Kingdom Communication Associated has a Missing Brute-force Protection vulnerability. Unauthenticated remote attackers can gain access to valid accounts through a large number of login attempts.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.