Overview
The Common Vulnerabilities and Exposures (CVE) system has recently reported a critical vulnerability, CVE-2025-5785, that affects the TOTOLINK X15 version 1.0.0-B20230714.1105. This vulnerability has been classified as critical due to its potential for system compromise or data leakage. It primarily affects the HTTP POST Request Handler component in the /boafrm/formWirelessTbl file. The implications of this vulnerability are significant for any organization using the affected TOTOLINK X15 software, as it can lead to unauthorized access, data leakage, and potential system compromise.
Vulnerability Summary
CVE ID: CVE-2025-5785
Severity: Critical (8.8 CVSS Score)
Attack Vector: Network
Privileges Required: None
User Interaction: None
Impact: Potential system compromise and data leakage
Affected Products
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Product | Affected Versions
TOTOLINK X15 | 1.0.0-B20230714.1105
How the Exploit Works
The vulnerability arises from a buffer overflow condition in the HTTP POST Request Handler component. More specifically, the issue affects some unknown processing of the file /boafrm/formWirelessTbl. The manipulation of the ‘submit-url’ argument can cause an overflow of the buffer, leading to unpredictable behavior, which may include a crash or the execution of arbitrary code. The attack can be initiated remotely and does not require any user interaction.
Conceptual Example Code
The following is a conceptual example of how this vulnerability might be exploited using a malicious HTTP POST request:
POST /boafrm/formWirelessTbl HTTP/1.1
Host: target.example.com
Content-Type: application/x-www-form-urlencoded
submit-url=<long string of characters causing buffer overflow>In this example, the “submit-url” argument is filled with a long string of characters, causing a buffer overflow in the application.
Mitigation Guidance
Users are strongly advised to apply the vendor patch as soon as possible. If a patch is not immediately available or cannot be applied right away, a Web Application Firewall (WAF) or Intrusion Detection System (IDS) can be used as temporary mitigation. However, these measures will not fully protect the system from a potential exploit, and the patch should be applied as soon as it is available.