EUVD-2026-76001
GHSA-4292-rc2p-fghr
Severity by source
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Network-reachable login endpoint with no complexity or privileges required; confidentiality impact only, no integrity or availability impact from credential theft alone.
Primary rating from Vendor (twcert).
CVSS VectorVendor: twcert
Lifecycle Timeline
4DescriptionCVE.org
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.
AnalysisAI
Missing brute-force protection in Kingdom Communication Associated's Smart Video Intercom System (models EH3040, EH4200, EH1000B, EH2070) allows unauthenticated remote attackers to systematically guess credentials across all login attempts without rate-limiting or account lockout. Successful credential compromise grants access to valid accounts, exposing video surveillance feeds and intercom functionality. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | No special conditions beyond network reachability to the intercom's authentication interface are required. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 4.0 vector AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N scores 8.7 and accurately reflects an unauthenticated network-reachable attack with no complexity requirements and high confidentiality impact. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | No vendor-released patch version is identified at time of analysis. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, audit your network to identify and isolate any internet-exposed Kingdom Communication Smart Video Intercom System devices (models EH3040, EH4200, EH1000B, EH2070) from untrusted networks and disable remote access. …
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Client-side authentication bypass in Kingdom Communication Associated's Smart Video Intercom System (models EH3040, EH42
User account enumeration via observable response discrepancy (CWE-204) affects Kingdom Communication Associated's Smart
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External POC / Exploit Code
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