CVE-2022-4221CWE-78

OS command injection in ASUS M25 NAS

Critical · published December 1, 2022

CVSS v3.1
9.8
EPSS
5%
Percentile
91.9
In the wild
Unconfirmed
What it is

🚨 A sneaky command injection vulnerability in Asus NAS-M25 could let anyone with a cookie pull off some serious shenanigans without breaking a sweat! 🔥 Think of it like a restaurant where anyone can place their own dishes on the menu without the chef’s approval — it could lead to some bizarre meals! In this case, the lack of proper checks on cookie values is just as risky, allowing attackers to serve up arbitrary OS commands. An attacker could exploit this vulnerability to run malicious commands on the NAS device, potentially gaining control over it and accessing sensitive data. This could lead to a complete compromise of the system, putting your data at risk, and leaving your network vulnerable to further exploits.

Put simply

Think of it like a restaurant where anyone can place their own dishes on the menu without the chef’s approval — it could lead to some bizarre meals! In this case, the lack of proper checks on cookie values is just as risky, allowing attackers to serve up arbitrary OS commands. This OS Command Injection vulnerability arises from inadequate neutralization of special elements in cookie values, allowing unauthenticated users to execute arbitrary OS commands on the affected version of Asus NAS-M25 (up to 1.0.1.7).

What to do

An attacker could exploit this vulnerability to run malicious commands on the NAS device, potentially gaining control over it and accessing sensitive data. This could lead to a complete compromise of the system, putting your data at risk, and leaving your network vulnerable to further exploits. It's crucial to patch your system to version 1.0.1.8 immediately to close this gap. Additionally, review your cookie handling processes to ensure that no unsanitized data can be executed. Regular audits of your security practices will help keep your systems safe! You've got this! Follow these steps, and you'll have your security hero cape on in no time! 🛡️

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
0.04821 · 91.9th percentile
Weakness
CWE-78 · Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Published
2022-12-01T09:26Z
EPSS history
Timeline
  • 01 DEC 09:26Z
    OS command injection in ASUS M25 NAS
    cvelistv5