CVE-2025-4383
📋 TL;DR
This vulnerability allows attackers to bypass authentication or perform credential brute-forcing on Art-in Bilişim's Wi-Fi Cloud Hotspot systems due to insufficient rate limiting. Attackers can gain unauthorized access to administrative functions or user accounts. All systems running affected versions before May 30, 2025 are vulnerable.
💻 Affected Systems
- Art-in Bilişim Teknolojileri ve Yazılım Hizm. Tic. Ltd. Şti. Wi-Fi Cloud Hotspot
⚠️ 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
Complete compromise of Wi-Fi hotspot infrastructure allowing attackers to intercept user traffic, modify configurations, deploy malware to connected devices, or use the system as a pivot point into internal networks.
Likely Case
Unauthorized administrative access leading to configuration changes, service disruption, or credential theft from legitimate users.
If Mitigated
Limited impact with proper network segmentation, strong authentication mechanisms, and monitoring that detects brute-force attempts.
🎯 Exploit Status
Authentication bypass vulnerabilities typically require minimal technical skill to exploit using automated tools.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Version dated 30.05.2025 or later
Vendor Advisory: https://www.usom.gov.tr/bildirim/tr-25-0134
Restart Required: Yes
Instructions:
1. Contact Art-in Bilişim for updated firmware. 2. Backup current configuration. 3. Apply firmware update. 4. Verify authentication mechanisms are functioning correctly.
🔧 Temporary Workarounds
Network Segmentation
allIsolate Wi-Fi hotspot management interface from untrusted networks
Rate Limiting via Firewall
allImplement connection rate limiting at network perimeter
🧯 If You Can't Patch
- Implement strict network access controls to limit management interface exposure
- Enable comprehensive logging and monitoring for authentication attempts
🔍 How to Verify
Check if Vulnerable:
Check firmware version date in management interface. If date is before May 30, 2025, system is vulnerable.Check Version:
Check via web interface or SSH to device (vendor-specific commands)Verify Fix Applied:
Verify firmware version shows 30.05.2025 or later date. Test authentication with rate-limited attempts.📡 Detection & Monitoring
Log Indicators:
- Multiple failed authentication attempts from single IP
- Successful logins from unusual locations/times
- Authentication bypass patterns
Network Indicators:
- Unusual traffic patterns to authentication endpoints
- Brute-force tool signatures
SIEM Query:
source="wifi_hotspot" AND (event_type="auth_failure" count>10 within 1m OR event_type="auth_success" from new_ip)