CVE-2021-40556

A stack overflow vulnerability exists in the httpd service in ASUS RT-AX56U Router Version 3.0.0.4.386.44266

published October 6, 2022

CVSS
—
EPSS
2%
Percentile
75.5
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.01595 · 75.5th percentile
Published
2022-10-06T00:00Z
EPSS history
Timeline
  • 06 OCT 00:00Z
    A stack overflow vulnerability exists in the httpd service in ASUS RT-AX56U Router Version 3.0.0.4.386.44266
    cvelistv5