CVE-2025-45585
📋 TL;DR
Multiple stored cross-site scripting vulnerabilities in Audi UTR 2.0 Universal Traffic Recorder allow attackers to inject malicious scripts into wifi configuration parameters. This affects all users of Audi UTR 2.0 who have the web interface accessible, potentially enabling session hijacking or credential theft.
💻 Affected Systems
- Audi UTR 2.0 Universal Traffic Recorder
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Attacker gains administrative access, modifies device configuration, intercepts network traffic, or installs persistent malware on connected systems.
Likely Case
Session hijacking, credential theft from administrators, defacement of web interface, or redirection to malicious sites.
If Mitigated
Limited to interface disruption if input validation blocks most payloads, but some bypasses may still work.
🎯 Exploit Status
Requires access to wifi configuration interface. No public exploit code available, but vulnerability is well-documented.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Version 2.1 or later
Vendor Advisory: https://2barbie.notion.site/2024-Audi-UTR-2-0-Report-1bff0be688c680cb8795efe78732f8b9
Restart Required: No
Instructions:
1. Check current version via web interface. 2. Download latest firmware from vendor. 3. Upload firmware via web interface. 4. Apply update without restarting services.
🔧 Temporary Workarounds
Input Validation Filter
allImplement client-side and server-side input validation for wifi_sta_ssid and wifi_ap_ssid parameters
Implement regex filter: ^[a-zA-Z0-9\s\-_.]{1,32}$ for SSID fields
Web Interface Restriction
linuxRestrict access to web interface using firewall rules or network segmentation
iptables -A INPUT -p tcp --dport 80 -s trusted_ip -j ACCEPT
iptables -A INPUT -p tcp --dport 80 -j DROP
🧯 If You Can't Patch
- Implement strict network segmentation to isolate UTR device from sensitive networks
- Deploy web application firewall (WAF) with XSS protection rules in front of the interface
🔍 How to Verify
Check if Vulnerable:
Attempt to inject basic XSS payload like <script>alert('test')</script> into wifi_sta_ssid or wifi_ap_ssid fields and check if it executes when page reloadsCheck Version:
Check web interface dashboard or use curl: curl -s http://device-ip/status | grep versionVerify Fix Applied:
Test same payload after patch - it should be properly sanitized or rejected📡 Detection & Monitoring
Log Indicators:
- Unusual characters in wifi configuration logs
- Multiple failed login attempts followed by configuration changes
Network Indicators:
- HTTP requests with script tags in POST parameters to wifi configuration endpoints
SIEM Query:
source="web_logs" AND (uri_path="/config/wifi" OR uri_path="/settings") AND (param="wifi_sta_ssid" OR param="wifi_ap_ssid") AND (content="<script>" OR content="javascript:")