CVE-2025-66357 Denial of service in CHOCO TEI WATCHER mini (IB-MCT001)

Medium 6.9 Published Updated

Attackers can cause abnormal resource consumption and denial of service in the CHOCO TEI WATCHER mini during specific video download states.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2025-66357?

CVE-2025-66357 is a medium-severity denial of service vulnerability in Inaba Denki Sangyo Co., Ltd. CHOCO TEI WATCHER mini (IB-MCT001), published on 16 Dec 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

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.

Weakness: CWE-754

Which versions are affected by CVE-2025-66357?

It affects 1 product.

Products include Inaba Ib-Mct001 Firmware.

How do I fix CVE-2025-66357?

No fix has been published for CVE-2025-66357 yet. Limit exposure of the affected software until one is available.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2025-66357 being exploited?

There is no known exploitation of CVE-2025-66357 in the wild and no public exploit code.

Sources

Also known as GHSA-ccpp-j37g-5j85.

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