CVE-2021-40556 | BDVDB-2026-185804 Detail

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.

Impact#

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Exploit#

History#

1. Version 12022-10-06Record published in the CVE List.
2. Version 22024-08-04Most recent update recorded in the CVE List.