CVE-2025-15431
📋 TL;DR
This vulnerability allows remote attackers to execute arbitrary code on UTT 进取 512W devices via a buffer overflow in the FTP server configuration function. Attackers can exploit this by manipulating the filename parameter in a specific web form. All users running version 1.7.7-171114 of this device are affected.
💻 Affected Systems
- UTT 进取 512W
⚠️ Risk & Real-World Impact
Worst Case
Remote code execution leading to complete device compromise, data theft, and potential lateral movement within the network.
Likely Case
Remote code execution allowing attackers to install malware, create backdoors, or disrupt device functionality.
If Mitigated
Denial of service or limited information disclosure if exploit attempts are blocked by network controls.
🎯 Exploit Status
Proof-of-concept exploit code is publicly available on GitHub. The vulnerability requires no authentication and has straightforward exploitation.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: None available - vendor did not respond to disclosure
Restart Required: No
Instructions:
No official patch available. Consider replacing affected devices with supported alternatives.
🔧 Temporary Workarounds
Disable web management interface
allDisable the web management interface to prevent access to the vulnerable endpoint
Specific commands depend on device configuration interface
Network segmentation and access control
allIsolate affected devices in separate network segments and restrict access to management interfaces
🧯 If You Can't Patch
- Remove affected devices from internet-facing positions immediately
- Implement strict network access controls to limit who can reach the device's management interface
🔍 How to Verify
Check if Vulnerable:
Check device firmware version via web interface or CLI. If version is 1.7.7-171114, device is vulnerable.Check Version:
Check via web interface at device IP or use device-specific CLI commandsVerify Fix Applied:
No fix available to verify. Consider device replacement as primary remediation.📡 Detection & Monitoring
Log Indicators:
- Unusual POST requests to /goform/formFtpServerDirConfig
- Multiple failed exploit attempts with long filename parameters
- Device crash or restart logs
Network Indicators:
- HTTP POST requests to /goform/formFtpServerDirConfig with unusually long filename parameters
- Traffic to/from device on unexpected ports after compromise
SIEM Query:
http.method:POST AND http.uri:"/goform/formFtpServerDirConfig" AND http.param.filename.length > 100