CVE-2021-21951CWE-119

An out-of-bounds write vulnerability exists in the CMD_DEVICE_GET_SERVER_LIST_REQUEST functionality of the home_security binary of Anker Eufy Homebase 2…

Critical · published December 8, 2021

CVSS v3.0
10.0
EPSS
2%
Percentile
84.5
In the wild
Unconfirmed
What it is

🔥 An out-of-bounds write vulnerability lurks in the Anker Eufy Homebase 2, allowing attackers to execute code with a crafty network packet! Think of it like a delivery driver dropping off a package at the wrong address and somehow getting into the house — if they have the right info, they can do whatever they want once inside! This vulnerability could lead to devastating consequences, such as unauthorized access to your smart home devices, potentially allowing attackers to manipulate them at will. It's like giving someone the keys to your castle, leaving your entire home security at risk!

Put simply

Think of it like a delivery driver dropping off a package at the wrong address and somehow getting into the house — if they have the right info, they can do whatever they want once inside! The vulnerability stems from the CMD_DEVICE_GET_SERVER_LIST_REQUEST function in the home_security binary, where a specially-crafted network packet can trigger code execution due to an out-of-bounds write in the read_udp_push_config_file function.

What to do

This vulnerability could lead to devastating consequences, such as unauthorized access to your smart home devices, potentially allowing attackers to manipulate them at will. It's like giving someone the keys to your castle, leaving your entire home security at risk! Patch your Eufy Homebase 2 to the latest version (2.1.6.10 or higher) immediately to close this security gap. Review and restrict network access to your devices until updates are applied. Always keep your system's firmware up to date to enhance security! You've got this! With the right steps, you can secure your smart home and keep it safe from prying eyes. 🛡️

The record
Technical detail
CVSS v3.0
10.0 · CRITICAL
Vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.02484 · 84.5th percentile
Weakness
CWE-119 · Improper Restriction of Operations within the Bounds of a Memory Buffer
Published
2021-12-08T21:28Z
EPSS history
Timeline
  • 08 DEC 21:28Z
    An out-of-bounds write vulnerability exists in the CMD_DEVICE_GET_SERVER_LIST_REQUEST functionality of the home_security binary of Anker Eufy Homebase 2…
    cvelistv5