CVE-2022-35192 : Vulnerability Insights and Analysis

A vulnerability has been identified in D-Link Wireless AC1200 Dual Band VDSL ADSL Modem Router DSL-3782 Firmware v1.01 that allows unauthenticated attackers to cause a Denial of Service (DoS) attack.

Understanding CVE-2022-35192

This CVE report focuses on a security vulnerability found in the D-Link Wireless AC1200 Dual Band VDSL ADSL Modem Router DSL-3782 Firmware v1.01.

What is CVE-2022-35192?

The CVE-2022-35192 vulnerability in the D-Link router firmware allows unauthenticated attackers to execute a Denial of Service (DoS) attack by exploiting certain parameters in the login functionality.

The Impact of CVE-2022-35192

The impact of this vulnerability is the potential disruption of services, leading to a denial of service for legitimate users, if exploited by malicious actors.

Technical Details of CVE-2022-35192

This section delves into the specific technical aspects of the CVE, including the vulnerability description, affected systems, and the exploitation mechanism.

Vulnerability Description

The vulnerability in D-Link Wireless AC1200 Dual Band VDSL ADSL Modem Router DSL-3782 Firmware v1.01 allows attackers to trigger a DoS attack by manipulating the User or Pwd parameters in the Login.asp page.

Affected Systems and Versions

The issue affects devices running D-Link Wireless AC1200 Dual Band VDSL ADSL Modem Router DSL-3782 Firmware v1.01. Users of this specific firmware version are at risk of exploitation.

Exploitation Mechanism

By sending malicious requests containing crafted User or Pwd parameters to the Login.asp page, unauthenticated attackers can overwhelm the device and disrupt its services.

Mitigation and Prevention

In response to CVE-2022-35192, it is crucial to implement immediate steps for mitigation, as well as adopt long-term security practices to prevent future vulnerabilities.

Immediate Steps to Take

Users are advised to avoid exposing the affected router to the internet directly and ensure that all necessary firewall rules are in place to limit unauthorized access.

Long-Term Security Practices

To enhance overall security posture, users should regularly update the firmware of their D-Link devices, monitor security bulletins, and follow best practices for network security.

Patching and Updates

D-Link may release firmware updates to address the vulnerability. Users are encouraged to apply these patches promptly to protect their devices from potential exploitation.