Overview
The Common Vulnerabilities and Exposures (CVE) system has recently identified a significant security vulnerability, tagged as CVE-2025-57579, in the TOTOLINK Wi-Fi 6 Router Series, specifically in Device X2000R-Gh-V2.0.0. This vulnerability can be exploited by an attacker who can access the router remotely. The exploitation can result in the execution of arbitrary code, which can compromise the entire system, potentially leading to data leakage.
The vulnerability is of particular concern due to the widespread use of the TOTOLINK Wi-Fi 6 Router Series in homes and businesses. As a result, a significant number of users are at risk, emphasizing the cruciality of addressing this issue promptly.
Vulnerability Summary
CVE ID: CVE-2025-57579
Severity: Critical, CVSS score of 8.0
Attack Vector: Remote
Privileges Required: None
User Interaction: None
Impact: Execution of arbitrary code leading to potential system compromise or data leakage
Affected Products
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Product | Affected Versions
TOTOLINK Wi-Fi 6 Router Series Device | X2000R-Gh-V2.0.0
How the Exploit Works
This vulnerability arises from the use of a default password in the TOTOLINK router series. An attacker can exploit this flaw remotely, by connecting to the router using the default password. Once the attacker gains access, they can execute arbitrary code by exploiting the router’s firmware. This could potentially lead to a full system compromise, including unauthorized access to connected devices and potential data leakage.
Conceptual Example Code
The following is a conceptual example demonstrating how an attacker might exploit this vulnerability. In this case, the attacker sends a POST request to the router’s login endpoint, using the default password.
POST /login HTTP/1.1
Host: target-router-ip
Content-Type: application/x-www-form-urlencoded
username=admin&password=defaultpasswordAfter a successful login, the attacker could potentially execute arbitrary code on the router.
Mitigation Guidance
Users are recommended to apply the vendor-supplied patch immediately. Should the patch be unavailable, using a Web Application Firewall (WAF) or an Intrusion Detection System (IDS) can offer temporary mitigation. However, these are not permanent solutions and will not fully address the vulnerability. Regularly updating and patching network devices is critical to preventing such security breaches.
