CVE-2022-45508 : Security Advisory and Response

A stack overflow vulnerability was discovered in Tenda W30E V1.0.1.25(633) routers, specifically via the new_account parameter at /goform/editUserName.

Understanding CVE-2022-45508

This section will provide insights into the vulnerability and its impact, along with technical details and mitigation strategies.

What is CVE-2022-45508?

The CVE-2022-45508 vulnerability refers to a stack overflow issue found in the Tenda W30E V1.0.1.25(633) routers when processing the new_account parameter at /goform/editUserName.

The Impact of CVE-2022-45508

The vulnerability could allow an attacker to execute arbitrary code or crash the device, leading to a potential denial of service (DoS) condition.

Technical Details of CVE-2022-45508

In this section, we will delve into the specifics of the vulnerability, including the affected systems, exploitation mechanism, and more.

Vulnerability Description

The stack overflow vulnerability arises due to improper handling of user-supplied input, specifically within the new_account parameter of the /goform/editUserName endpoint.

Affected Systems and Versions

The issue impacts Tenda W30E V1.0.1.25(633) routers running the vulnerable software version.

Exploitation Mechanism

An attacker can exploit this vulnerability by sending a specially crafted request containing a long payload to trigger the overflow and potentially gain unauthorized access.

Mitigation and Prevention

This section emphasizes the critical steps to mitigate the risk posed by CVE-2022-45508 and prevent future security incidents.

Immediate Steps to Take

Users are advised to restrict network access to affected devices, implement strong firewall rules, and monitor network traffic for any suspicious activity.

Long-Term Security Practices

Regularly updating the device firmware, configuring secure authentication mechanisms, and conducting security assessments are crucial for enhancing long-term security.

Patching and Updates

Vendor patches or security updates addressing the stack overflow vulnerability should be promptly applied to mitigate the risk of exploitation and safeguard the network infrastructure.