Overview
CVE-2025-7571 is a highly critical vulnerability found in versions up to 3.1.1-190328 of the UTT HiPER 840G. This vulnerability is notable due to the potential it carries for a system compromise or data leakage. It concerns an unknown part of the file /goform/aspApBasicConfigUrcp that can be manipulated through the Username argument to result in a buffer overflow. The severity of this vulnerability is compounded by the fact that the exploit has been made publicly available, and that the vendor, despite being informed, has not responded with a fix.
Vulnerability Summary
CVE ID: CVE-2025-7571
Severity: Critical (CVSS: 8.8)
Attack Vector: Remote
Privileges Required: None
User Interaction: None
Impact: System compromise and potential data leakage
Affected Products
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Product | Affected Versions
UTT HiPER 840G | Up to 3.1.1-190328
How the Exploit Works
The exploit works by manipulating the Username argument in the /goform/aspApBasicConfigUrcp file. By providing an excessively long string as the username, an attacker can overflow the buffer, potentially leading to arbitrary code execution, system compromise, or data leakage. Since the exploit has been publicly disclosed, any malicious actor with knowledge of this vulnerability can exploit it.
Conceptual Example Code
Here is a conceptual example of how this vulnerability might be exploited using an HTTP POST request:
POST /goform/aspApBasicConfigUrcp HTTP/1.1
Host: target.example.com
Content-Type: application/x-www-form-urlencoded
Username=AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA... // long string to overflow bufferIn the above example, an excessively long string is provided as the Username to overflow the buffer.
Mitigation and Recommendations
Until the vendor provides a patch, it’s recommended to use a Web Application Firewall (WAF) or an Intrusion Detection System (IDS) as a temporary mitigation measure. These systems can detect and block attempts to exploit this vulnerability. Also, it’s advisable to restrict access to the affected system as much as possible until a patch is available. Regularly monitoring system logs for any unusual activity can help identify attempted exploits early.