CVE-2025-59479: CHOCO TEI WATCHER mini (IB-MCT001) contains an issue with improper restriction of rendered UI layers or frames

Routine

MEDIUM 6.1MITIGATE

CVE-2025-59479 is a medium-severity flaw (CVSS 6.1) affecting ib-mct001 firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

CHOCO TEI WATCHER mini (IB-MCT001) contains an issue with improper restriction of rendered UI layers or frames. If a user clicks on content on a malicious web page while logged into the product, unintended operations may be performed on the product.

Why this priority

No elevated risk signals yet

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	6.1 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.2% (top 91%)
CISA exploited list	No
Weakness	CWE-1021
Published	2025-12-16
Last modified	2026-10-07

Publisher (CNA): JPCERT/CC · Vendor: inaba

Last updated 2026-10-07 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-12-16 05:16 UTCPublished CVE record published
2026-10-07 19:10 UTCUpdated Record last modified

inaba ib-mct001 firmware MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2025-59479?

ib-mct001 firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2025-59479 being exploited?

CVE-2025-59479 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2025-59479 affect?

CVE-2025-59479 affects ib-mct001 firmware. Severity is medium (CVSS 6.1). CHOCO TEI WATCHER mini (IB-MCT001) contains an issue with improper restriction of rendered UI layers or frames. If a user clicks on content on a malicious web page while logged into the product, unintended operations may be performed on the

How urgent is CVE-2025-59479?

Priority 24/100. No elevated risk signals yet.

Related CVEs

CVE-2025-61976 HIGH 7.5 MITIGATE CHOCO TEI WATCHER mini (IB-MCT001) contains an issue with improper check for unusual or exceptional conditions
CVE-2025-66357 MEDIUM 5.3 MITIGATE CHOCO TEI WATCHER mini (IB-MCT001) contains an issue with improper check for unusual or exceptional conditions

References

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