CVE-2025-54763
📋 TL;DR
This CVE describes an OS command injection vulnerability in FutureNet MA and IP-K series devices from Century Systems. Authenticated users can execute arbitrary operating system commands through the web interface, potentially compromising the entire device. Organizations using these specific network devices are affected.
💻 Affected Systems
- FutureNet MA series
- FutureNet IP-K series
⚠️ 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
Full device compromise leading to network pivoting, data exfiltration, or deployment of persistent malware across connected systems.
Likely Case
Unauthorized administrative access to the device, configuration changes, credential harvesting, and lateral movement within the network.
If Mitigated
Limited impact if proper network segmentation, least privilege access, and command validation are implemented.
🎯 Exploit Status
Exploitation requires valid credentials but command injection is straightforward once authenticated
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Check vendor advisory for specific version
Vendor Advisory: https://www.centurysys.co.jp/backnumber/common/jvnvu98191201.html
Restart Required: Yes
Instructions:
1. Check vendor advisory for specific patch version. 2. Download firmware update from Century Systems support portal. 3. Backup device configuration. 4. Apply firmware update via web interface. 5. Reboot device. 6. Verify update applied successfully.
🔧 Temporary Workarounds
Restrict Web Interface Access
allLimit access to device web interface to trusted IP addresses only
Configure firewall rules to restrict access to device management IP/port
Implement Strong Authentication
allEnforce complex passwords and consider multi-factor authentication if supported
Set strong password policies on device administration accounts
🧯 If You Can't Patch
- Isolate affected devices in separate VLAN with strict firewall rules
- Implement network monitoring for suspicious command execution patterns
🔍 How to Verify
Check if Vulnerable:
Check device firmware version against vendor advisory. If running vulnerable version and web interface is accessible, device is vulnerable.Check Version:
Check device web interface System Information page or use vendor-specific CLI commandsVerify Fix Applied:
Verify firmware version matches patched version from vendor advisory and test web interface functionality.📡 Detection & Monitoring
Log Indicators:
- Unusual command execution in system logs
- Multiple failed login attempts followed by successful login
- Configuration changes from unexpected sources
Network Indicators:
- Unusual outbound connections from device
- Traffic patterns inconsistent with normal device operation
SIEM Query:
source="device_logs" AND (command="*;*" OR command="*|*" OR command="*`*" OR command="*$(*)")