CVE-2022-37235 : What You Need to Know

Netgear Nighthawk AC1900 Smart WiFi Dual Band Gigabit Router R7000-V1.0.11.134_10.2.119 is vulnerable to Buffer Overflow via the wl binary in firmware, leading to a stack overflow vulnerability caused by strncat.

Understanding CVE-2022-37235

This vulnerability affects the Netgear Nighthawk AC1900 Smart WiFi Dual Band Gigabit Router R7000-V1.0.11.134_10.2.119.

What is CVE-2022-37235?

The CVE-2022-37235 vulnerability involves a Buffer Overflow in the wl binary of the Netgear Nighthawk AC1900 Smart WiFi Dual Band Gigabit Router R7000-V1.0.11.134_10.2.119 firmware.

The Impact of CVE-2022-37235

This vulnerability can allow remote attackers to execute arbitrary code or cause a denial of service, posing a significant risk to the security and stability of the affected device.

Technical Details of CVE-2022-37235

This section provides detailed technical information about the CVE-2022-37235 vulnerability.

Vulnerability Description

The vulnerability is a result of a stack overflow caused by the strncat function within the wl binary, leading to a Buffer Overflow condition.

Affected Systems and Versions

The specific affected system is the Netgear Nighthawk AC1900 Smart WiFi Dual Band Gigabit Router R7000-V1.0.11.134_10.2.119.

Exploitation Mechanism

Remote attackers can exploit this vulnerability by sending specially crafted requests to the vulnerable device, triggering the Buffer Overflow via the wl binary.

Mitigation and Prevention

To address CVE-2022-37235, it is crucial to take immediate steps and implement long-term security practices.

Immediate Steps to Take

Update the Netgear Nighthawk AC1900 Smart WiFi Dual Band Gigabit Router firmware to the latest version provided by the vendor.
Restrict network access to the device to limit exposure to potential attackers.

Long-Term Security Practices

Regularly monitor for security advisories and updates from Netgear to stay informed about future vulnerabilities.
Implement network segmentation and access controls to minimize the impact of potential security breaches.

Patching and Updates

Apply patches and firmware updates promptly as recommended by Netgear to ensure the device is protected from known vulnerabilities.