CVE-2019-7440 : What You Need to Know

JioFi 4G M2S 1.0.2 devices are vulnerable to CSRF (Cross-Site Request Forgery) attacks through specific fields when modifying Wi-Fi settings.

Understanding CVE-2019-7440

What is CVE-2019-7440?

This CVE identifies a security vulnerability in JioFi 4G M2S 1.0.2 devices that allows attackers to perform CSRF attacks by manipulating SSID name and Security Key fields during Wi-Fi settings modification.

The Impact of CVE-2019-7440

This vulnerability can be exploited by sending a crafted request to the cgi-bin/qcmap_web_cgi endpoint, potentially leading to unauthorized Wi-Fi setting changes.

Technical Details of CVE-2019-7440

Vulnerability Description

The vulnerability in JioFi 4G M2S 1.0.2 devices allows attackers to execute CSRF attacks through specific fields in the Wi-Fi settings.

Affected Systems and Versions

Product: JioFi 4G M2S 1.0.2
Vendor: Not applicable
Version: Not applicable

Exploitation Mechanism

Attackers can exploit this vulnerability by sending a SetWiFi_Setting request to the cgi-bin/qcmap_web_cgi endpoint.

Mitigation and Prevention

Immediate Steps to Take

Regularly monitor Wi-Fi settings for any unauthorized changes.
Implement strong and unique passwords for Wi-Fi networks.
Restrict access to the device's administration interface.

Long-Term Security Practices

Keep devices up to date with the latest firmware releases.
Conduct regular security assessments and penetration testing.

Patching and Updates

Apply security patches provided by the device manufacturer to address the CSRF vulnerability in JioFi 4G M2S 1.0.2 devices.