Overview
The vulnerability CVE-2025-55482 is a buffer overflow issue that exists in the formSetCfm function of the Tenda AC6 V15.03.06.23_multi software. This critical vulnerability could allow potential system compromise or data leakage, making it a significant security concern for users and organizations that use the affected product.
Vulnerability Summary
CVE ID: CVE-2025-55482
Severity: High (7.5 CVSS)
Attack Vector: Network
Privileges Required: Low
User Interaction: Required
Impact: Potential system compromise or data leakage
Affected Products
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Product | Affected Versions
Tenda AC6 Router | V15.03.06.23_multi
How the Exploit Works
An attacker can exploit this vulnerability by sending specially crafted input to the formSetCfm function of the Tenda AC6 V15.03.06.23_multi software. Due to a lack of proper input validation, this input can cause a buffer overflow, which can allow the attacker to execute arbitrary code or possibly cause the application to crash, leading to a denial of service.
Conceptual Example Code
Here’s a conceptual example of how an attacker might exploit this vulnerability:
POST /formSetCfm HTTP/1.1
Host: target.example.com
Content-Type: application/x-www-form-urlencoded
data=OVERFLOW_DATAIn this example, `OVERFLOW_DATA` contains the malicious payload that triggers the buffer overflow when processed by the formSetCfm function.
Mitigation
Users and organizations are advised to apply the patch provided by the vendor as soon as possible. If the patch cannot be applied immediately, using a Web Application Firewall (WAF) or Intrusion Detection System (IDS) can serve as a temporary mitigation. These systems can help detect and block attempts to exploit this vulnerability.
