CVE-2021-44158

HIGH

ASUS RT-AX56U Firmware - Authenticated Stack-Based Buffer Overflow via HTTPD Parameter

Title source: llm
STIX 2.1

Description

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.

References (1)

Core 1
Core References
Third Party Advisory x_refsource_misc
https://www.twcert.org.tw/tw/cp-132-5431-d23be-1.html

Scores

CVSS v3 8.0
EPSS 0.0068
EPSS Percentile 47.3%
Attack Vector ADJACENT_NETWORK
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-1284 CWE-121
Status published
Products (1)
asus/rt-ax56u_firmware 3.0.0.4.386.44266
Published Jan 03, 2022
Tracked Since Feb 18, 2026