CVE-2021-40409CWE-78

An OS command injection vulnerability exists in the device network settings functionality of reolink RLC-410W v3.0.0.136_20121102

Critical · published January 28, 2022

CVSS v3.0
9.1
EPSS
4%
Percentile
89.6
In the wild
Unconfirmed
What it is

🚨 An OS command injection vulnerability lurks in Reolink's device network settings! A rogue password could unleash chaos. 🔥 Think of this like a restaurant where the chef will cook anything you ask without checking the ingredients. If a shady customer asks for a dish with, say, a side of malware, they just might get it! An attacker could exploit this vulnerability to run arbitrary commands on the device, leading to full system compromise. This means they could manipulate settings, siphon off sensitive data, or even take complete control of your surveillance system. It's a recipe for disaster!

Put simply

Think of this like a restaurant where the chef will cook anything you ask without checking the ingredients. If a shady customer asks for a dish with, say, a side of malware, they just might get it! In Reolink RLC-410W version 3.0.0.136_20121102, the ddns->password variable from the SetDdns API is not validated correctly, allowing an OS command injection that can be exploited remotely without authentication.

What to do

An attacker could exploit this vulnerability to run arbitrary commands on the device, leading to full system compromise. This means they could manipulate settings, siphon off sensitive data, or even take complete control of your surveillance system. It's a recipe for disaster! Immediately update your Reolink device to the latest firmware version to patch this vulnerability. Additionally, review your network settings and monitor for any suspicious activity. Always validate and sanitize input data to prevent such vulnerabilities in the future. You've got this! Just follow these steps, and you'll lock it down in no time! 🛡️

The record
Technical detail
CVSS v3.0
9.1 · CRITICAL
Vector
CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.03657 · 89.6th percentile
Weakness
CWE-78 · Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Published
2022-01-28T19:10Z
EPSS history
Timeline
  • 28 JAN 19:10Z
    An OS command injection vulnerability exists in the device network settings functionality of reolink RLC-410W v3.0.0.136_20121102
    cvelistv5