CVE-2025-12049
📋 TL;DR
CVE-2025-12049 is a critical authentication bypass vulnerability in Sharp Display Solutions Media Player MP-01 that allows unauthenticated attackers to access the web interface, change device settings, and deliver unauthorized content. All versions of the MP-01 media player are affected, making this a widespread risk for organizations using these devices for digital signage.
💻 Affected Systems
- Sharp Display Solutions Media Player MP-01
📦 What is this software?
⚠️ 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 could completely compromise the media player, deliver malicious content to public displays, change network settings to pivot to internal networks, and permanently disable the device.
Likely Case
Attackers will change displayed content to show inappropriate or misleading information, modify device settings causing operational disruption, and potentially use the device as an entry point for further network attacks.
If Mitigated
With proper network segmentation and access controls, impact is limited to the specific device being targeted without lateral movement capabilities.
🎯 Exploit Status
Exploitation requires only network access to the device's web interface. No special tools or skills needed beyond basic web browsing.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Check vendor advisory for specific firmware version
Vendor Advisory: https://sharp-displays.jp.sharp/global/support/info/MP01-CVE-2025-12049.html
Restart Required: Yes
Instructions:
1. Visit the vendor advisory URL. 2. Download the latest firmware update. 3. Upload firmware via web interface. 4. Reboot device. 5. Verify authentication is now required.
🔧 Temporary Workarounds
Network Segmentation
allIsolate media players on separate VLAN with strict firewall rules
Access Control Lists
allImplement IP-based restrictions to only allow authorized management systems
🧯 If You Can't Patch
- Physically disconnect from network if not in use
- Implement strict network segmentation with firewall rules blocking all inbound access except from authorized management systems
🔍 How to Verify
Check if Vulnerable:
Attempt to access the device's web interface without authentication. If you can access settings or content management without login, the device is vulnerable.Check Version:
Check firmware version in device web interface under System Information or SettingsVerify Fix Applied:
After patching, attempt to access web interface without credentials. You should be redirected to a login page or receive an authentication error.📡 Detection & Monitoring
Log Indicators:
- Unauthenticated access attempts to web interface
- Configuration changes from unauthorized IP addresses
- Unusual content uploads
Network Indicators:
- HTTP requests to device web interface without authentication headers
- Traffic from unexpected sources to device management ports
SIEM Query:
source_ip NOT IN (authorized_management_ips) AND dest_port=80 AND http_method IN (POST,PUT) AND dest_ip IN (media_player_ips)