CVE-2019-7440

MEDIUM

JioFi 4G M2S 1.0.2 - Cross-Site Request Forgery via Wi-Fi Settings

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2019-7440. PoCs published by Vikas Chaudhary.

AI-analyzed exploit summary This exploit demonstrates a CSRF vulnerability in JioFi 4G M2S 1.0.2 devices, allowing an attacker to change Wi-Fi settings (SSID and security key) via a crafted HTML form. The PoC leverages lack of CSRF token validation in the SetWiFi_Setting endpoint.

Description

JioFi 4G M2S 1.0.2 devices have CSRF via the SSID name and Security Key field under Edit Wi-Fi Settings (aka a SetWiFi_Setting request to cgi-bin/qcmap_web_cgi).

Exploits (1)

exploitdb WORKING POC
by Vikas Chaudhary · htmlwebappshardware
https://www.exploit-db.com/exploits/46633

This exploit demonstrates a CSRF vulnerability in JioFi 4G M2S 1.0.2 devices, allowing an attacker to change Wi-Fi settings (SSID and security key) via a crafted HTML form. The PoC leverages lack of CSRF token validation in the SetWiFi_Setting endpoint.

Classification
Working Poc 95%
Attack Type
Other
Complexity
Trivial
Reliability
Reliable
Target: JioFi 4G Hotspot M2S 150 Mbps Wireless Router (1.0.2)
No auth needed
Prerequisites: Victim must be authenticated to the router's admin interface · Victim must visit the malicious HTML page
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (3)

Core 3
Core References
Exploit, Third Party Advisory x_refsource_misc
https://gkaim.com/cve-2019-7440-vikas-chaudhary/
Exploit, Third Party Advisory exploit x_refsource_exploit-db
https://www.exploit-db.com/exploits/46633/

Scores

CVSS v3 6.5
EPSS 0.0018
EPSS Percentile 39.5%
Attack Vector NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N

Details

CWE
CWE-352
Status published
Products (1)
jio/jiofi_4g_m2s_firmware 1.0.2
Published Mar 21, 2019
Tracked Since Feb 18, 2026