CVE-2021-40556

2022-10-0600:00:00

mitre

www.cve.org

stack overflow

asus rt-ax56u

httpd service

remote command execution

authentication.

9.1 High

AI Score

Confidence

High

0.002 Low

EPSS

Percentile

53.6%

JSON

A stack overflow vulnerability exists in the httpd service in ASUS RT-AX56U Router Version 3.0.0.4.386.44266. This vulnerability is caused by the strcat function called by “caupload” input handle function allowing the user to enter 0xFFFF bytes into the stack. This vulnerability allows an attacker to execute commands remotely. The vulnerability requires authentication.