CVE-2025-15091
📋 TL;DR
This vulnerability allows remote attackers to execute arbitrary code on UTT 进取 512W devices through a buffer overflow in the formPictureUrl function. Attackers can exploit this without authentication to potentially take full control of affected devices. All users running versions up to 1.7.7-171114 are affected.
💻 Affected Systems
- UTT 进取 512W
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete system compromise allowing remote code execution, device takeover, and lateral movement within the network.
Likely Case
Remote code execution leading to device compromise, data theft, and potential use as a foothold for further attacks.
If Mitigated
Denial of service or limited impact if exploit attempts are blocked by network controls.
🎯 Exploit Status
Proof of concept is publicly available, making exploitation straightforward for attackers.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: None found
Restart Required: Yes
Instructions:
1. Check vendor website for firmware updates
2. If update available, download and apply following vendor instructions
3. Reboot device after update
4. Verify version is newer than 1.7.7-171114
🔧 Temporary Workarounds
Network Segmentation
allIsolate affected devices from internet and restrict network access
Access Control
linuxBlock access to /goform/formPictureUrl endpoint
iptables -A INPUT -p tcp --dport 80 -m string --string "/goform/formPictureUrl" --algo bm -j DROP
🧯 If You Can't Patch
- Immediately isolate affected devices from internet and critical networks
- Implement strict network access controls and monitor for exploitation attempts
🔍 How to Verify
Check if Vulnerable:
Check device firmware version via web interface or SSH. If version is 1.7.7-171114 or older, device is vulnerable.Check Version:
Check via web interface at http://device-ip/ or via SSH if availableVerify Fix Applied:
Verify firmware version is newer than 1.7.7-171114 and test that /goform/formPictureUrl endpoint no longer accepts malformed input.📡 Detection & Monitoring
Log Indicators:
- Unusual POST requests to /goform/formPictureUrl
- Large payloads in formPictureUrl parameter
- Device crash/restart logs
Network Indicators:
- HTTP POST requests to /goform/formPictureUrl with long importpictureurl parameters
- Unusual outbound connections from device
SIEM Query:
source="*" AND (url="/goform/formPictureUrl" OR "importpictureurl") AND bytes>1000