CVE-2025-34501
📋 TL;DR
Deck Mate 2 card shufflers contain hard-coded administrative credentials for multiple enabled services (SSH, HTTP, Telnet, SMB, X11). Attackers with physical or network access can use these default credentials to gain full system control, modify firmware, and establish persistence. Organizations using these devices in casinos or gaming environments are affected.
💻 Affected Systems
- Shuffle Master Deck Mate 2
⚠️ 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 system takeover allowing firmware modification, controller software manipulation, and persistent backdoor installation across all connected shufflers.
Likely Case
Physical attacker gains administrative access via USB/Ethernet ports, modifies game outcomes, or installs malware for future exploitation.
If Mitigated
With proper network segmentation and physical security, risk limited to isolated incidents requiring physical device access.
🎯 Exploit Status
Exploitation requires knowledge of hard-coded credentials but is trivial once obtained. Physical access to USB/Ethernet ports is primary vector.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Current firmware builds (specific version not specified)
Vendor Advisory: Not provided in references
Restart Required: Yes
Instructions:
1. Contact Shuffle Master for latest firmware. 2. Backup current configuration. 3. Apply firmware update following vendor instructions. 4. Verify USB access is disabled. 5. Change all default credentials.
🔧 Temporary Workarounds
Disable Unnecessary Services
linuxDisable SSH, Telnet, SMB, X11, and HTTP services not required for operation
systemctl stop sshd
systemctl disable sshd
systemctl stop telnet
systemctl disable telnet
systemctl stop smbd
systemctl disable smbd
systemctl stop x11
systemctl disable x11
systemctl stop httpd
systemctl disable httpd
Change Default Credentials
linuxChange root and web interface passwords from factory defaults
passwd root
echo 'admin:newpassword' | chpasswd
🧯 If You Can't Patch
- Physically secure devices to prevent USB/Ethernet port access
- Implement network segmentation to isolate shufflers from other systems
🔍 How to Verify
Check if Vulnerable:
Attempt SSH/Telnet/HTTP login with default credentials. Check if services are running: netstat -tulpn | grep -E ':22|:23|:80|:445'Check Version:
Contact vendor for firmware version verification methodVerify Fix Applied:
Verify services are disabled: systemctl status sshd telnet smbd httpd. Test that default credentials no longer work.📡 Detection & Monitoring
Log Indicators:
- Failed authentication attempts followed by successful login
- Multiple service restart attempts
- Unusual process execution from root account
Network Indicators:
- SSH/Telnet connections from unexpected IPs
- HTTP requests to administrative interfaces
- SMB connections to shuffler devices
SIEM Query:
source="deckmate" AND (event_type="authentication" AND result="success" AND user="root") OR (service IN ("ssh", "telnet", "http") AND destination_ip="shuffler_ip")