// For flags

CVE-2021-44158

ASUS RT-AX56U Router - Stack-based buffer overflow

Severity Score

8.0
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

ASUS RT-AX56U Wi-Fi Router is vulnerable to stack-based buffer overflow due to improper validation for httpd parameter length. An authenticated local area network attacker can launch arbitrary code execution to control the system or disrupt service.

El router Wi-Fi ASUS RT-AX56U es vulnerable a un desbordamiento del búfer en la región stack de la memoria debido a una comprobación inapropiada de la longitud del parámetro httpd. Un atacante autenticado de la red de área local puede lanzar una ejecución de código arbitrario para controlar el sistema o interrumpir el servicio

*Credits: N/A
CVSS Scores
Attack Vector
Adjacent
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Attack Vector
Adjacent
Attack Complexity
Low
Authentication
Single
Confidentiality
Complete
Integrity
Complete
Availability
Complete
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2021-11-23 CVE Reserved
  • 2022-01-03 CVE Published
  • 2024-03-23 EPSS Updated
  • 2024-09-16 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-121: Stack-based Buffer Overflow
  • CWE-1284: Improper Validation of Specified Quantity in Input
CAPEC
References (1)
URL Date SRC
URL Date SRC
URL Date SRC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Asus
Search vendor "Asus"
Rt-ax56u Firmware
Search vendor "Asus" for product "Rt-ax56u Firmware"
3.0.0.4.386.44266
Search vendor "Asus" for product "Rt-ax56u Firmware" and version "3.0.0.4.386.44266"
-
Affected
in Asus
Search vendor "Asus"
Rt-ax56u
Search vendor "Asus" for product "Rt-ax56u"
--
Safe