CVE-2017-20149

The Mikrotik RouterOS web server allows memory corruption in releases before Stable 6.38.5 and Long-term 6.37.5, aka Chimay-Red

Critical · published October 15, 2022

CVSS v3.1
9.8
EPSS
2%
Percentile
84.3
In the wild
Unconfirmed
What it is

🚨 Just a crafted HTTP request is all it takes to unleash chaos! This vulnerability in Mikrotik RouterOS can lead to remote code execution, making it a serious threat for affected users. 🔥 Think of it like a sneaky delivery driver who tricks the doorman into handing over the keys to the building without proper verification — once in, they can access anything! If exploited, an attacker could run arbitrary code on your router, potentially taking control of sensitive network configurations. This could lead to a complete compromise of your network, giving them the power to intercept traffic, redirect requests, or even launch attacks on other systems. That's absolutely devastating!

Put simply

Think of it like a sneaky delivery driver who tricks the doorman into handing over the keys to the building without proper verification — once in, they can access anything! The vulnerability in Mikrotik RouterOS allows memory corruption through specifically crafted HTTP requests, leading to an attacker being able to execute code remotely without authentication.

What to do

If exploited, an attacker could run arbitrary code on your router, potentially taking control of sensitive network configurations. This could lead to a complete compromise of your network, giving them the power to intercept traffic, redirect requests, or even launch attacks on other systems. That's absolutely devastating! To protect yourself, immediately upgrade to Stable version 6.38.5 or Long-term version 6.37.5. Ensure that your network's firewall settings are properly configured to limit exposure to unnecessary ports and services. Regularly audit your devices and their firmware to keep them up to date. You've got this! Follow these steps, and you’ll be one step closer to securing your network! 🛡️

The record
Technical detail
CVSS v3.1
9.8 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.02470 · 84.3th percentile
Published
2022-10-15T00:00Z
EPSS history
Timeline
  • 15 OCT 00:00Z
    The Mikrotik RouterOS web server allows memory corruption in releases before Stable 6.38.5 and Long-term 6.37.5, aka Chimay-Red
    cvelistv5