CVE-2022-39074 : Exploit Details and Defense Strategies

A serious unauthorized access vulnerability has been identified in some ZTE mobile phones, allowing a malicious application to exploit a non-public interface without user consent.

Understanding CVE-2022-39074

What is CVE-2022-39074?

CVE-2022-39074 refers to an unauthorized access vulnerability found in various ZTE mobile phone models. When a malicious application is installed on the device, it can trigger a non-public interface of an application without the user's permission.

The Impact of CVE-2022-39074

The impact of this vulnerability is significant as it enables unauthorized access to sensitive information and functionality on the affected ZTE mobile phones. This could lead to privacy breaches, data theft, and unauthorized control of the device.

Technical Details of CVE-2022-39074

Vulnerability Description

The vulnerability allows malicious applications to exploit a non-public interface on ZTE mobile phones without requiring user authorization. This can be abused to conduct unauthorized activities on the device.

Affected Systems and Versions

The following ZTE mobile phone models are affected:

ZTE Blade A52
ZTE Blade A51
ZTE Blade A3 Lite
ZTE Blade A5 2020
ZTE Blade L210
ZTE Blade A7s
ZTE Blade A31
ZTE Blade A31 Plus
ZTE Blade A5 (2019)
ZTE Blade A71
ZTE Blade A72
ZTE Blade V20 Smart
ZTE Blade V30
ZTE Blade V30 Vita
ZTE V40 Pro
ZTE Blade V40 Vita
ZTE Axon 40 Ultra

All versions up to specific firmware versions of the mentioned models are impacted by this vulnerability.

Exploitation Mechanism

The vulnerability can be exploited by malicious applications to access restricted interfaces on the affected ZTE mobile phones, bypassing user consent and potentially compromising the device's security.

Mitigation and Prevention

Immediate Steps to Take

Users of the affected ZTE mobile phone models are advised to take the following immediate steps to mitigate the risk:

Avoid installing apps from untrusted sources
Regularly update the device firmware
Monitor device permissions and app behavior

Long-Term Security Practices

To enhance the long-term security of ZTE mobile phones, users should:

Enable app verification and system security features
Implement strong device lock screen mechanisms
Stay informed about security updates and patches

Patching and Updates

ZTE has released security updates to address the vulnerability in the affected mobile phone models. Users are strongly recommended to apply these patches promptly to protect their devices from exploitation.