CVE-2026-89174

Kingdom Communication Associated｜Smart Video Intercom System - Missing Burte-force Protection

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Published Sep 11, 2026 CVSS 4.0 · 8.7 High EPSS < 1% KEV · Not listed

Description

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.

Analysis

Technical impact

The Smart Video Intercom System lacks brute‑force protection, allowing unauthenticated remote attackers to repeatedly attempt login credentials and eventually gain access to valid user accounts. This flaw enables unauthorized users to compromise account confidentiality and control, potentially extending to system control or further lateral movement.

Affected Systems

Kingdom Communication Associated products EH1000B, EH2070, EH3040, and EH4200 are affected. Vulnerable firmware versions include all those released before the vendor‑issued updates (EH3040 < 2.5.0A, EH4200 < 2.5.0A, EH1000B < 2.7.0A, EH2070 < 2.8.0A).

Risk and Exploitability

The vulnerability scores 8.7 on CVSS, indicating high severity. Although the EPSS score is not available, the absence of a KEV listing does not diminish the likelihood that attackers will target exposed login interfaces. Exploitation is achievable over the network, requiring only that the intercom’s web or service interface be reachable, and demand no special credentials or local access.

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

Kingdom Communication Associated

EH3040

unaffected

Version	Status	Constraints
`0`	affected	< 2.5.0A

Kingdom Communication Associated

EH4200

unaffected

Version	Status	Constraints
`0`	affected	< 2.5.0A

Kingdom Communication Associated

EH1000B

unaffected

Version	Status	Constraints
`0`	affected	< 2.7.0A

Kingdom Communication Associated

EH2070

unaffected

Version	Status	Constraints
`0`	affected	< 2.8.0A

No data.

No data.

Vendor Product Versions

Kingdom Communication Associated

Eh1000b

Version	Status	Scheme	Platform
`[0,2.7.0A)`	affected	generic	—

Kingdom Communication Associated

Eh2070

Version	Status	Scheme	Platform
`[0,2.8.0A)`	affected	generic	—

Kingdom Communication Associated

Eh3040

Version	Status	Scheme	Platform
`[0,2.5.0A)`	affected	generic	—

Kingdom Communication Associated

Eh4200

Version	Status	Scheme	Platform
`[0,2.5.0A)`	affected	generic	—

Remediation

Vendor Solution

Update EH3040 to version 2.5.0A Update EH4200 to version 2.5.0A Update EH1000B to version 2.7.0A Update EH2070 to version 2.8.0A

OpenCVE Recommended Actions

Upgrade Kingdom Communication Associated EH3040 to firmware version 2.5.0A.
Upgrade Kingdom Communication Associated EH4200 to firmware version 2.5.0A.
Upgrade Kingdom Communication Associated EH1000B to firmware version 2.7.0A.
Upgrade Kingdom Communication Associated EH2070 to firmware version 2.8.0A.

Generated by OpenCVE AI on September 11, 2026 at 08:22 UTC.

Tracking

Sign in to view the affected projects.

Advisories

No advisories available

Metrics

Attack Vector Network

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact High

Vulnerable System Integrity Impact None

Vulnerable System Availability Impact None

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact None

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploit prediction score: < 1% (0.514% probability within 30 days)

Exploitation none

Automatable yes

Technical Impact partial

References

Link	Providers
https://www.twcert.org.tw/en/cp-139-11199-38e1e-2.html
https://www.twcert.org.tw/tw/cp-132-11198-b8bba-1.html

History

Sep 13, 2026 8:30 PM First appearance in the feed. Affected vendors updated View changes

Type	Values Removed	Values Added
First Time appeared		Kingdom Communication Associated Kingdom Communication Associated eh1000b Kingdom Communication Associated eh2070 Kingdom Communication Associated eh3040 Kingdom Communication Associated eh4200
Vendors & Products		Kingdom Communication Associated Kingdom Communication Associated eh1000b Kingdom Communication Associated eh2070 Kingdom Communication Associated eh3040 Kingdom Communication Associated eh4200

Sep 12, 2026 11:30 AM Scoring metrics updated View changes

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Sep 11, 2026 7:45 AM Description updated. Title updated. Weaknesses updated. Added references. Scoring metrics updated View changes

Type	Values Removed	Values Added
Description		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.
Title		Kingdom Communication Associated｜Smart Video Intercom System - Missing Burte-force Protection
Weaknesses		CWE-307
References		https://www.twcert.org.tw/en/cp-139-11199-38e1e-2.html https://www.twcert.org.tw/tw/cp-132-11198-b8bba-1.html
Metrics		cvssV3_1 `{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N'}` cvssV4_0 `{'score': 8.7, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N'}`

Subscriptions

Kingdom Communication Associated Eh1000b Eh2070 Eh3040 Eh4200

Weaknesses

CWE-307
Improper Restriction of Excessive Authentication Attempts

Sources

CVE record Updated: Sep 11, 2026, 3:49 PM

Status: PUBLISHED
Assigner: twcert
Published: Sep 11, 2026, 7:31 AM
Updated: Sep 11, 2026, 3:49 PM
Reserved: Sep 11, 2026, 6:14 AM

View source JSON

Vulnrichment Updated: Sep 11, 2026, 3:48 PM

Updated: Sep 11, 2026, 3:48 PM

NVD Updated: Sep 11, 2026, 4:17 PM

Status: Deferred
Published: Sep 11, 2026, 8:16 AM
Modified: Sep 11, 2026, 4:17 PM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment Updated: Sep 13, 2026, 7:56 PM

Updated: Sep 13, 2026, 7:56 PM

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