Overview
This report presents a detailed analysis of the CVE-2025-45586 vulnerability, a critical flaw in Audi’s UTR 2.0 Universal Traffic Recorder. This vulnerability affects all users of the software and poses a significant cybersecurity threat due to its potential exploitation leading to system compromise or data leakage.
Vulnerability Summary
CVE ID: CVE-2025-45586
Severity: High (CVSS: 7.5)
Attack Vector: Network
Privileges Required: None
User Interaction: None
Impact: Arbitrary file overwrite leading to potential system compromise or data leakage
Affected Products
A new way to communicate
Ameeba Chat is built on encrypted identity, not personal profiles.
Message, call, share files, and coordinate with identities kept separate.
- • Encrypted identity
- • Ameeba Chat authenticates access
- • Aliases and categories
- • End-to-end encrypted chat, calls, and files
- • Secure notes for sensitive information
Private communication, rethought.
Product | Affected Versions
Audi UTR 2.0 Universal Traffic Recorder | 2.0
How the Exploit Works
The vulnerability stems from a flaw in the software’s handling of PUT requests. An attacker can craft a malicious PUT request that can overwrite files in the system. This can potentially lead to system compromise if critical system files are overwritten, or to data leakage if data files are overwritten with attacker-controlled data.
Conceptual Example Code
Below is a conceptual example of how the vulnerability might be exploited. This example demonstrates a malicious HTTP PUT request sent to the vulnerable endpoint.
PUT /vulnerable/endpoint HTTP/1.1
Host: target.example.com
Content-Type: application/json
{ "file_path": "/critical/system/file", "content": "malicious_content" }In this example, the PUT request targets a critical system file for overwrite, replacing its content with malicious data.
Mitigation
Users are advised to apply the latest patch from the vendor as soon as possible. As a temporary mitigation, a Web Application Firewall (WAF) or Intrusion Detection System (IDS) can be used to block or alert on malicious PUT requests. However, these measures do not remove the vulnerability but merely reduce the risk of exploitation.