Linksys E1550 Damn Vulnerable Router Firmware 0.2 Download

Posted at May 3, 2024 by PCI-DB Team

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Device Name	Linksys E1550 Damn Vulnerable Router Firmware 0.2
Category	Router Switch Access Point
Manufacturer	Linksys
File Size	7.4 MB
Supported OS	OS Independent

Linksys E1550 Damn Vulnerable Router Firmware 0.2 Description

The goal of this project is to simulate a real world environment to help people learn about other CPU architectures outside of the x86_64 space. This project will also help people get into discovering new things about hardware. As of now this firmware is tailored for the Linksys E1550 Device.

Installation

To Install this binary onto your E1550 simply go to the Firmware Upgrade page (http://192.168.1.1/Upgrade.asp) and point the upgrade path to DVRF_v01.bin and click "Upgrade".

Removal || Revert

To revert back to stock simply navigate to the main page of DVRF (http://192.168.1.1/index.asp), Click Browse, Point it to the stock firmware binary, and Click "Upload Firmware".

Fixes

- Replaced execve("/bin/sh",0,0) with system("/bin/sh -c")
- Due to "jr RA" I added exit(0) after the system() call to prevent infinite loops.

Bugs

- WiFi does not broadcast a SSID but all ethernet ports work and DHCP is enabled

TODO

- Implement new HTTPd
- Implement new FTPd
- Disable WAN Port DO NOT HAVE THE WAN PORT PLUGGED IN WHEN INSTALLING OR RUNNING THIS!!!
- Create pwnables that incorporate exploit mitigations (e.g. Stack Cookies & DEP)
- Create more Firmware images for other devices with different CPU architectures
- Clean up and TAR the Source Code so anyone can compile it.

About Router Firmware:

Before you consider downloading this firmware, go to the system information page of the router and make sure that the currently installed version isn’t either newer or matching this release.

Due to the large variety of router models and different methods for upgrading the device, it is highly recommended that you read and, above all, understand the installation steps before you apply the new firmware, even if you are a power user.

In theory, these steps shouldn’t be much of a hassle for anyone, because manufacturers try to make them as easy as possible, even if they don’t always succeed. Basically, you must upload the new firmware to the router through its administration page and allow it to upgrade.

If you install a new version, you can expect increased security levels, different vulnerability issues to be resolved, improved overall performance and transfer speeds, enhanced compatibility with other devices, added support for newly developed technologies, as well as several other changes.

If you’re looking for certain safety measures, remember that it would be best if you perform the upload using an Ethernet cable rather than a wireless connection, which can be interrupted easily. Also, make sure you don’t power off the router or use its buttons during the installation, if you wish avoid any malfunctions.

If this firmware meets your current needs, get the desired version and apply it to your router unit; if not, check with our website as often as possible so that you don’t miss the update that will improve your device.

  It is highly recommended to always use the most recent driver version available.

Try to set a system restore point before installing a device driver. This will help if you installed an incorrect or mismatched driver. Problems can arise when your hardware device is too old or not supported any longer.

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