CVE-2025-3626
📋 TL;DR
This critical vulnerability allows remote attackers with administrator credentials to execute arbitrary operating system commands on affected devices by uploading malicious configuration files through the web interface. The OS command injection flaw enables complete device takeover. Organizations using vulnerable devices with administrator web access are affected.
💻 Affected Systems
- Specific product information not provided in CVE description
⚠️ 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 system compromise allowing attacker to install persistent backdoors, exfiltrate sensitive data, pivot to internal networks, and render devices inoperable.
Likely Case
Attacker gains complete control of vulnerable devices, potentially using them as footholds for lateral movement within the network.
If Mitigated
Limited impact if proper network segmentation, least privilege access, and input validation are implemented.
🎯 Exploit Status
Exploitation requires administrator credentials but is straightforward once authenticated. Attack vector is through web interface configuration upload.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Not specified
Vendor Advisory: https://certvde.com/en/advisories/VDE-2025-030
Restart Required: No
Instructions:
1. Monitor vendor security advisories for patch availability. 2. Apply vendor-provided firmware updates when released. 3. Verify patch installation by checking version numbers.
🔧 Temporary Workarounds
Disable Web Interface Configuration Upload
allRemove or disable the configuration upload functionality in the web interface
Configuration specific - consult device documentation
Restrict Administrator Access
linuxLimit administrator account access to trusted IP addresses only
iptables -A INPUT -p tcp --dport 80 -s TRUSTED_IP -j ACCEPT
iptables -A INPUT -p tcp --dport 443 -s TRUSTED_IP -j ACCEPT
iptables -A INPUT -p tcp --dport 80 -j DROP
iptables -A INPUT -p tcp --dport 443 -j DROP
🧯 If You Can't Patch
- Segment vulnerable devices in isolated network zones with strict firewall rules
- Implement multi-factor authentication for administrator accounts and monitor for suspicious login attempts
🔍 How to Verify
Check if Vulnerable:
Check if device has web interface configuration upload functionality and runs unpatched software. Review vendor advisory for specific version checks.Check Version:
Device-specific - typically available in web interface or via CLI commands like 'show version' or 'system info'Verify Fix Applied:
Verify installed firmware version matches patched version from vendor advisory. Test configuration upload functionality with safe test files.📡 Detection & Monitoring
Log Indicators:
- Unusual configuration file uploads
- Multiple failed then successful admin logins
- Suspicious command execution in system logs
- Unexpected process creation
Network Indicators:
- Unusual outbound connections from device
- Traffic to unexpected ports or IPs
- Large configuration file uploads
SIEM Query:
source="device_logs" AND (event="config_upload" OR event="admin_login") | stats count by src_ip, user