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CVE-2021-40556

PoC —
CVSS 3.1
8.8 high
EPSS
1%p72
Published
()
Modified
Description

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.

Vendors
asus
Products
rt-ax56u firmware
Weakness
CWE-787
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD CVE.org GitHub PoCs EPSS (1.4%)

In the news

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