CVE-2021-45740 : What You Need to Know

TOTOLINK A720R v4.1.5cu.470_B20200911 contains a stack overflow vulnerability in the setWiFiWpsStart function, enabling attackers to launch a DoS attack via the pin parameter.

Understanding CVE-2021-45740

This CVE identifies a critical vulnerability in TOTOLINK A720R v4.1.5cu.470_B20200911.

What is CVE-2021-45740?

CVE-2021-45740 points out a stack overflow bug in TOTOLINK A720R v4.1.5cu.470_B20200911, potentially exploited by attackers for DoS attacks.

The Impact of CVE-2021-45740

The vulnerability can be exploited by malicious actors to trigger a Denial of Service (DoS) attack on the affected device.

Technical Details of CVE-2021-45740

Details regarding the specific aspects of this vulnerability.

Vulnerability Description

TOTOLINK A720R v4.1.5cu.470_B20200911 has a stack overflow issue in the setWiFiWpsStart function.

Affected Systems and Versions

Product: N/A
Vendor: N/A
Version: N/A

Exploitation Mechanism

Attackers can exploit the vulnerability through the pin parameter, leading to a Denial of Service (DoS) condition.

Mitigation and Prevention

Preventive measures to address CVE-2021-45740.

Immediate Steps to Take

Disable WPS functionality if not necessary.
Regularly update the router firmware to the latest secure version.

Long-Term Security Practices

Implement network segmentation to limit the impact of potential attacks.
Conduct regular security assessments and penetration testing.

Patching and Updates

Apply patches provided by the vendor to fix the stack overflow vulnerability in TOTOLINK A720R v4.1.5cu.470_B20200911.