CHOCO TEI WATCHER mini (IB-MCT001): Direct Request
CVE-2025-26689 is a critical-severity direct request vulnerability in CHOCO TEI WATCHER mini (IB-MCT001) from Inaba Denki Sangyo, with a CVSS 3.1 base score of 9.8 out of 10. It can be exploited remotely over the network by an unauthenticated attacker, without any action from a user. Affected CHOCO TEI WATCHER mini (IB-MCT001) versions: all versions. The record does not name a fixed version, so check the vendor advisory. There is no confirmed exploitation so far. EPSS estimates a 1.17% chance of exploitation within 30 days, higher than 68% of scored CVEs.
Critical severity: a successful attack would have severe impact.
What to do
- Check which version of CHOCO TEI WATCHER mini (IB-MCT001) you run against the affected versions below, and install the vendor's latest release.
- Until you can update, restrict network access to the affected service so it is not reachable from untrusted networks.
Affected products and versions
| Vendor | Product | Affected versions | Fixed in |
|---|---|---|---|
| Inaba Denki Sangyo | CHOCO TEI WATCHER mini (IB-MCT001) | all versions | Not stated |
Version data comes from the organisation that assigned the CVE. Confirm against the vendor advisory before deciding you are unaffected.
How the severity score breaks down
- Attack vector
- NetworkCan be exploited remotely over a network, including the internet.
- Attack complexity
- LowNo special conditions are needed; the attack works reliably.
- Privileges required
- NoneNo account or login is needed.
- User interaction
- NoneNo action by a victim is required.
- Scope
- UnchangedImpact stays within the vulnerable component.
- Confidentiality
- HighAll data handled by the component can be read.
- Integrity
- HighData or code can be modified at will.
- Availability
- HighThe component can be taken down completely.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. Scored by CNA (jpcert.or.jp).
Official description
Direct request ('Forced Browsing') issue exists in CHOCO TEI WATCHER mini (IB-MCT001) all versions. If a remote attacker sends a specially crafted HTTP request to the product, the product data may be obtained or deleted, and/or the product settings may be altered.
Source: the CVE record as published by its numbering authority, via NVD and CVE.org.
The underlying weakness: Direct Request
The web application does not adequately enforce appropriate authorization on all restricted URLs, scripts, or files.
How developers prevent this class of flaw
- Apply appropriate access control authorizations for each access to all restricted URLs, scripts or files.
- Consider using MVC based frameworks such as Struts.
Timeline
- CVE record published.
- CISA published its SSVC assessment (exploitation: none, automatable: yes, technical impact: total).
- Record last changed materially (score, affected products, status or references).
References
Other references
Other vulnerabilities in CHOCO TEI WATCHER mini (IB-MCT001)
- 8.7 High severity
- 9.8 Critical severity
- 7.5 High severity
Recent Direct Request vulnerabilities
- 9.3 Critical severity
- 7.5 High severity
- 7.5 High severity
Apache OFBiz Forced Browsing Exploited
- 7.5 High severity
- 9.8 Critical severity
- 9.1 Critical severity
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