CVE-2019-12266 Explained : Impact and Mitigation

Wyze Cam Pan v2, Cam v2, and Cam v3 are affected by a Stack-based Buffer Overflow vulnerability, allowing attackers to execute malicious code on the devices.

Understanding CVE-2019-12266

This CVE identifies a critical security issue in Wyze camera models that could lead to unauthorized code execution.

What is CVE-2019-12266?

The vulnerability in Wyze Cam Pan v2, Cam v2, and Cam v3 enables threat actors to exploit a buffer overflow, potentially compromising the devices.

The Impact of CVE-2019-12266

CVSS Base Score: 7.6 (High Severity)
Attack Vector: Adjacent Network
Impact: High impact on Confidentiality, Integrity, and Availability
Privileges Required: High
Scope: Changed
User Interaction: None

Technical Details of CVE-2019-12266

This section delves into the specifics of the vulnerability affecting Wyze cameras.

Vulnerability Description

The Stack-based Buffer Overflow vulnerability in Wyze Cam Pan v2, Cam v2, and Cam v3 allows attackers to run arbitrary code on the affected devices.

Affected Systems and Versions

Wyze Cam Pan v2: Versions prior to 4.49.1.47
Wyze Cam v2: Versions prior to 4.9.8.1002
Wyze Cam v3: Versions prior to 4.36.8.32

Exploitation Mechanism

The vulnerability can be exploited by sending specially crafted data to the cameras, triggering the buffer overflow and potentially gaining control over the devices.

Mitigation and Prevention

To address CVE-2019-12266 and enhance security, follow these mitigation strategies:

Immediate Steps to Take

Update Wyze Cam Pan v2 to firmware version 4.49.1.47
Update Wyze Cam v2 to firmware version 4.9.8.1002
Update Wyze Cam v3 to firmware version 4.36.8.32

Long-Term Security Practices

Regularly update firmware to patch known vulnerabilities
Implement network segmentation to limit exposure of IoT devices

Patching and Updates

Apply the following firmware updates to mitigate the vulnerability:

Wyze Cam Pan v2: 4.49.1.47
Wyze Cam v2: 4.9.8.1002
Wyze Cam v3: 4.36.8.32