What is CVE-2025-66357?

CVE-2025-66357 is a medium-severity vulnerability in Inaba Ib-Mct001, classified under Improper Check for Unusual or Exceptional Conditions. CVSS score: 5.3/10. Published 2025-12-16.

How severe is CVE-2025-66357?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Vulnerability in Inaba Ib-Mct001

CVE-2025-66357

CHOCO TEI WATCHER mini (IB-MCT001) contains an issue with improper check for unusual or exceptional conditions. When the Video Download feature is in a specific communication state, the product's resources may be consumed abnormally.

EPSS: 0.003 (17.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.

Affected products

Inaba Ib-mct001
Inaba Ib-mct001_firmware
Inaba Denki Sangyo Co., Ltd. Choco Tei Watcher Mini (Ib-mct001) — versions all versions

Weakness classification (CWE)

CWE-754 — Improper Check for Unusual or Exceptional Conditions

References

vultures@jpcert.or.jp (Vendor Advisory)
vultures@jpcert.or.jp (Third Party Advisory)

Frequently asked questions

What is CVE-2025-66357?: CVE-2025-66357 is a medium-severity vulnerability in Inaba Ib-Mct001, classified under Improper Check for Unusual or Exceptional Conditions. CVSS score: 5.3/10. Published 2025-12-16.
How severe is CVE-2025-66357?: Medium severity. CVSS v3 base score is 5.3 out of 10.