CVE-2020-15636CWE-121

This vulnerability allows remote attackers to execute arbitrary code on affected installations of NETGEAR R6400, R6700, R7000, R7850, R7900, R8000, RS400, and…

High · published August 19, 2020

CVSS v3.0
8.1
EPSS
9%
Percentile
95.0
In the wild
Unconfirmed
What it is

🚨 A remote attacker can execute arbitrary code on NETGEAR routers—no password needed! 🔥 Think of your router as a vending machine that dispenses not only snacks but also critical data. If someone can trick it into giving out a secret stash without needing any credentials, that’s a serious security breach! An attacker could potentially take complete control of your router, leading to unauthorized access to your entire network. This means they could monitor your internet activity, steal sensitive information, or even launch attacks on other devices connected to your network. The consequences could be absolutely devastating!

Put simply

Think of your router as a vending machine that dispenses not only snacks but also critical data. If someone can trick it into giving out a secret stash without needing any credentials, that’s a serious security breach! This vulnerability arises from a stack-based buffer overflow in the check_ra service triggered by a crafted raePolicyVersion in a RAE_Policy.json file. It allows an attacker to execute arbitrary code in the context of the root user without any authentication.

What to do

An attacker could potentially take complete control of your router, leading to unauthorized access to your entire network. This means they could monitor your internet activity, steal sensitive information, or even launch attacks on other devices connected to your network. The consequences could be absolutely devastating! To secure your device, immediately update to the latest firmware version released by NETGEAR. Ensure that you have disabled remote management and consider changing your router’s default settings. Regularly check for updates to stay protected! You've got this! Follow these steps, and you'll have that router locked down better than ever! 🛡️

The record
Technical detail
CVSS v3.0
8.1 · HIGH
Vector
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.08536 · 95.0th percentile
Weakness
CWE-121 · Stack-based Buffer Overflow
Published
2020-08-19T20:55Z
EPSS history
Timeline
  • 19 AUG 20:55Z
    This vulnerability allows remote attackers to execute arbitrary code on affected installations of NETGEAR R6400, R6700, R7000, R7850, R7900, R8000, RS400, and…
    cvelistv5