Mikrotik Backup Patched ((better)) Guide

In 2018, a massive exploit was discovered where hackers could bypass authentication and download the user.dat file or full system backups without a password. These files contained admin credentials and network configurations in a format that could be decrypted by specialized tools. To secure your device, MikroTik released several patches:

One of the most notorious vulnerabilities in MikroTik’s history is CVE‑2018‑14847. This flaw allowed an to read arbitrary files from the router, including the user database ( user.dat ), by exploiting a directory traversal in the Winbox interface. Because RouterOS did not use standard encryption for passwords—instead, passwords were obfuscated with a simple XOR operation—attackers could easily decrypt the credentials.

All .backup and .export files have been secured. If you are still running legacy versions, we recommend an immediate update to ensure your configuration credentials remain encrypted and protected. 🛡️ Technical Reminder MicroTik Security Alert: Is your backup secure? mikrotik backup patched

This article explores the technical details of the MikroTik backup vulnerability, how it was exploited, how MikroTik patched it, and the definitive steps you must take to secure your winbox environment. The Core Vulnerability: What Went Wrong?

Before taking a backup, ensure services like ftp , telnet , www , and api are disabled if not needed ( /ip service disable ). 5. Conclusion In 2018, a massive exploit was discovered where

If you restore an old, unpatched configuration ( .backup or .rsc file) onto a router running the latest stable firmware, you might be importing known vulnerabilities, such as:

Log into your MikroTik router via WinBox, WebFig, or the Command Line Interface (CLI). Check your current version against the official MikroTik download page. If you are running an outdated version on the Long-term or Stable channels, you are at risk. Step 2: Upgrade RouterOS To upgrade via the CLI, execute the following commands: /system package update check-for-updates download Use code with caution. Once downloaded, reboot the device to apply the patch: /system reboot Use code with caution. Step 3: Upgrade the RouterBOARD Firmware This flaw allowed an to read arbitrary files

If you're looking for more specific guidance, I can help you with: How to create a secure rsc file. How to set up automated backups and send them via email.