CVE-2025-25211
📋 TL;DR
CVE-2025-25211 is a weak password requirements vulnerability in CHOCO TEI WATCHER mini (IB-MCT001) industrial cameras that allows brute-force attacks to gain unauthorized access. This affects all versions of the device, potentially compromising production line surveillance systems and allowing attackers to disable recording or conduct remote surveillance.
💻 Affected Systems
- CHOCO TEI WATCHER mini (IB-MCT001)
⚠️ Manual Verification Required
This CVE does not have specific version information in our database, so automatic vulnerability detection cannot determine if your system is affected.
Why? The CVE database entry doesn't specify which versions are vulnerable (no version ranges provided by the vendor/NVD).
🔒 Custom verification scripts are available for registered users. Sign up free to download automated test scripts.
- Review the CVE details at NVD
- Check vendor security advisories for your specific version
- Test if the vulnerability is exploitable in your environment
- Consider updating to the latest version as a precaution
⚠️ Risk & Real-World Impact
Worst Case
Attackers gain administrative access to industrial cameras, disable recording during critical incidents, conduct unauthorized surveillance of production lines, and potentially pivot to other industrial control systems.
Likely Case
Unauthorized access to camera feeds allowing industrial espionage, disruption of security monitoring, and potential manipulation of recording functions.
If Mitigated
Limited to failed login attempts with no successful access if strong password policies and network segmentation are implemented.
🎯 Exploit Status
Brute-force attacks require no authentication and can be automated with standard tools. The vulnerability is well-documented in multiple advisories.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: None available
Vendor Advisory: https://www.inaba.co.jp/files/chocomini_vulnerability.pdf
Restart Required: No
Instructions:
No official patch is available. Follow workarounds and mitigation steps below.
🔧 Temporary Workarounds
Implement Strong Password Policy
allEnforce complex passwords with minimum length, special characters, and account lockout after failed attempts.
Network Segmentation
allIsolate cameras on separate VLANs with strict firewall rules limiting access to authorized management systems only.
🧯 If You Can't Patch
- Implement network access controls to restrict camera access to specific IP addresses only
- Deploy intrusion detection systems to monitor for brute-force attempts and alert on suspicious activity
🔍 How to Verify
Check if Vulnerable:
Check device model and version. If using CHOCO TEI WATCHER mini (IB-MCT001), assume vulnerable. Test with controlled brute-force attempt (with permission) to confirm weak password enforcement.
Check Version:
Check device web interface or documentation for model IB-MCT001 identification.
Verify Fix Applied:
Verify strong password policies are enforced by attempting weak passwords and confirming they're rejected. Test account lockout functionality.
📡 Detection & Monitoring
Log Indicators:
- Multiple failed login attempts from single IP
- Successful logins from unusual IP addresses
- Authentication logs showing weak password acceptance
Network Indicators:
- High volume of HTTP POST requests to login endpoints
- Traffic patterns consistent with brute-force tools
SIEM Query:
source="camera_logs" AND (event_type="authentication_failure" AND count > 10 within 5min) OR (event_type="authentication_success" AND src_ip NOT IN allowed_ips)
🔗 References
- https://jvn.jp/en/vu/JVNVU91154745/
- https://www.cisa.gov/news-events/ics-advisories/icsa-25-084-04
- https://www.inaba.co.jp/files/chocomini_vulnerability.pdf
- https://www.nozominetworks.com/blog/unpatched-vulnerabilities-in-production-line-cameras-may-allow-remote-surveillance-hinder-stoppage-recording