CVE-2021-3555 : What You Need to Know

A Buffer Overflow vulnerability in the RSTP server component of Eufy Indoor 2K Indoor Camera allows a local attacker to achieve remote code execution. This vulnerability affects Eufy Indoor 2K Indoor Camera version 2.0.9.3 and prior versions.

Understanding CVE-2021-3555

This CVE identifies a critical vulnerability in the Eufy Indoor 2K Indoor Camera that can be exploited by a local attacker for remote code execution.

What is CVE-2021-3555?

CVE-2021-3555 is a high-severity Buffer Overflow vulnerability in the RSTP server component of Eufy Indoor 2K Indoor Camera, impacting versions 2.0.9.3 and earlier.

The Impact of CVE-2021-3555

The vulnerability poses a high risk, allowing an attacker to execute remote code on the affected camera, potentially compromising user privacy and security.

Technical Details of CVE-2021-3555

This section provides detailed technical information about the vulnerability.

Vulnerability Description

A Buffer Overflow flaw in the RSTP server component of Eufy Indoor 2K Indoor Camera enables a local attacker to trigger remote code execution.

Affected Systems and Versions

Eufy Indoor 2K Indoor Camera version 2.0.9.3 and prior versions are vulnerable to this exploit.

Exploitation Mechanism

The vulnerability can be exploited by a local attacker to inject and execute malicious code remotely on the affected camera.

Mitigation and Prevention

Taking immediate action and implementing long-term security measures are crucial to mitigate the risks associated with CVE-2021-3555.

Immediate Steps to Take

Users are advised to update the camera firmware to a version higher than 2.0.9.3 to address this vulnerability.

Long-Term Security Practices

Apart from applying the patch, users should follow best security practices such as using strong passwords, enabling network encryption, and limiting network access.

Patching and Updates

Regularly check for firmware updates from Eufy and apply patches promptly to safeguard against potential security threats.