Overview
The CVE-2025-43988 vulnerability is a critical security flaw found in KuWFi 5G01-X55 FL2020_V0.0.12 devices. It exposes an unauthenticated API endpoint, enabling remote attackers to retrieve critical configuration data, including the admin credentials. This vulnerability can result in a full system compromise or data leakage, posing a significant risk to both personal and organizational security.
Vulnerability Summary
CVE ID: CVE-2025-43988
Severity: High (CVSS: 7.5)
Attack Vector: Network
Privileges Required: None
User Interaction: None
Impact: System compromise, Potential data leakage
Affected Products
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Product | Affected Versions
KuWFi 5G01-X55 | FL2020_V0.0.12
How the Exploit Works
The vulnerability arises from an unauthenticated API endpoint (ajax_get.cgi) in the KuWFi 5G01-X55 FL2020_V0.0.12 devices. This endpoint does not require authentication, enabling remote attackers to send requests and retrieve sensitive configuration data, including admin credentials. Upon successful exploitation, the attacker gains access to the system, with the same privileges as the admin, leading to potential system compromise or data leakage.
Conceptual Example Code
An attacker could potentially exploit this vulnerability using an HTTP GET request to the exposed API endpoint. Here is a conceptual example:
GET /ajax_get.cgi HTTP/1.1
Host: vulnerable-device.comThis request, when sent, would return sensitive configuration data in the response, allowing the attacker to gain unauthorized access to the affected device.
Mitigation Guidance
To mitigate the risk posed by CVE-2025-43988, users are advised to apply the vendor’s patch as soon as it is available. In the interim, the use of a Web Application Firewall (WAF) or Intrusion Detection System (IDS) can provide temporary mitigation by monitoring and potentially blocking malicious IP addresses associated with this exploit.
