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CVE-2025-7570: Critical Buffer Overflow Vulnerability in UTT HiPER 840G

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Overview

The CVE-2025-7570 is a critical vulnerability discovered in UTT HiPER 840G up to version 3.1.1-190328. This vulnerability, which has been publicly disclosed, is of high concern due to its potential to compromise systems or leak sensitive data. It affects an unknown functionality of the file /goform/aspRemoteApConfTempSend and could be exploited remotely. The vendor’s lack of response to this disclosure, despite early contact, increases the urgency for users to apply the available mitigation measures.

Vulnerability Summary

CVE ID: CVE-2025-7570
Severity: Critical (CVSS: 8.8)
Attack Vector: Network
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 vulnerability lies within a specific argument (remoteSrcTemp) of the /goform/aspRemoteApConfTempSend file. The manipulation of this argument can lead to a buffer overflow condition. Buffer overflow occurs when more data is written into a buffer than it can handle, causing an overflow of data into adjacent memory, which could potentially lead to arbitrary code execution or denial of service.

Conceptual Example Code

Below is a conceptual example of how the vulnerability might be exploited. This is a basic HTTP POST request, which includes a malicious payload that could manipulate the “remoteSrcTemp” argument, causing a buffer overflow.

POST /goform/aspRemoteApConfTempSend HTTP/1.1
Host: target.example.com
Content-Type: application/x-www-form-urlencoded
remoteSrcTemp=AAAAA...[Add large amount of A's to overflow buffer]...AAAAA

Mitigation

There is currently no patch provided by the vendor for this vulnerability. As a mitigation measure, it is recommended to utilize a Web Application Firewall (WAF) or Intrusion Detection Systems (IDS). These can help detect and block attempts to exploit this vulnerability. However, it is advised to continue monitoring any updates from the vendor regarding a potential patch.

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Disclaimer:

The information and code presented in this article are provided for educational and defensive cybersecurity purposes only. Any conceptual or pseudocode examples are simplified representations intended to raise awareness and promote secure development and system configuration practices.

Do not use this information to attempt unauthorized access or exploit vulnerabilities on systems that you do not own or have explicit permission to test.

Ameeba and its authors do not endorse or condone malicious behavior and are not responsible for misuse of the content. Always follow ethical hacking guidelines, responsible disclosure practices, and local laws.

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