A vulnerability classified as critical was found in TOTOLINK A702R 4.0.0-B20211108.1423. This issue affects the function sub_418030 of the file /boafrm/formParentControl. Executing manipulation of the argument submit-url can lead to buffer overflow.

The identification of this vulnerability is CVE-2025-9783. The attack may be launched remotely. Furthermore, there is an exploit available.