CVE-2024-46383 PoC — Skyworth Router CM5100 安全漏洞

Description

CVE-2024-46383

介绍

# Sensitive-Information-disclosure-via-SPI-flash-firmware-for-Hathway-router-CVE-2024-46383


## Vulnerability Description:
During the security assessment of the Router firmware, it was observed that sensative information regarding the devices connected to router 
such as Mobile phone,Laptos, Tablets is stored in plain textand attacker can miuse it.

Vendor of the product: Hathway 

Affected product:CM5100-511

Affected Version: 4.1.1.24

Vulnerability Score V3.1: 5.2 Medium AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N

## Proof Of Concept:
1. Power on the router and  do the initial network reconnaissance using Nmap tool.
   
   <img width="666" alt="Network_reconn" src="https://github.com/user-attachments/assets/3df2a170-693b-4647-aedb-2a2ca5c82aea">



2. Teardown the  router  and locate the UART connection as shown in below Image.
   Connect the UART connection to serial console and check the initial boot sequence of router.
   Form initial boot sequence we got the hardware and firmware version information.

   <img width="352" alt="Tear_down" src="https://github.com/user-attachments/assets/21f1b287-a1af-4c09-af81-eed683db8b4c">
   

   <img width="625" alt="Initial_boot_sequence" src="https://github.com/user-attachments/assets/5c5b2dd9-6042-422f-80ec-f2abe13cf309">

3. From Hardware PCB analysis it was observed that external flash IC(Winbond W25Q64JV) is connected back side,
   solder out the flash IC from PCB and using CH431A flash programmer dump the firmware.

   ![image](https://github.com/user-attachments/assets/09b9a4b2-de47-4296-b7ab-9f742fe19e30)

4. After dumping the flash firmware,Perform the analysis of dumped binary file and we found that, names of mobile phones, laptops, Tablets which are coonected to router
   are stored in plain text.

    <img width="437" alt="connected_devices_to_router" src="https://github.com/user-attachments/assets/09c3d784-9e33-4a09-b8e3-208746c4d95c">

   


    
## Authors:
   Nitin Ronge(www.linkedin.com/in/nitin-ronge)
   
   Anand Yadav(www.linkedin.com/in/anandyadav6962)

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