What is CVE-2026-89174?

CVE-2026-89174 is a high-severity vulnerability in Kingdom Communication Associated Eh1000b, classified under Improper Restriction of Excessive Authentication Attempts. CVSS score: 7.5/10. Published 2026-09-11.

How severe is CVE-2026-89174?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Kingdom Communication Associated Eh1000b

CVE-2026-89174

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.

Published 2026-09-11 · last modified 2026-09-11.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.005 (43.5th percentile), scored 2026-10-26.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 44th percentile — 43.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-307 — Improper Restriction of Excessive Authentication Attempts

References

www.twcert.org.tw/tw/cp-132-11198-b8bba-1.html (third-party-advisory)
www.twcert.org.tw/en/cp-139-11199-38e1e-2.html (third-party-advisory)

Frequently asked questions

What is CVE-2026-89174?: CVE-2026-89174 is a high-severity vulnerability in Kingdom Communication Associated Eh1000b, classified under Improper Restriction of Excessive Authentication Attempts. CVSS score: 7.5/10. Published 2026-09-11.
How severe is CVE-2026-89174?: High severity. CVSS v3 base score is 7.5 out of 10.