VAR-202408-0320

Vulnerability from variot - Updated: 2025-06-29 22:51

A vulnerability classified as critical has been found in TOTOLINK EX200 4.0.3c.7646_B20201211. Affected is the function getSaveConfig of the file /cgi-bin/cstecgi.cgi?action=save&setting. The manipulation of the argument http_host leads to buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. VDB-273258 is the identifier assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way. TOTOLINK of EX200 Firmware has a classic buffer overflow vulnerability.Information is obtained, information is tampered with, and service operation is interrupted. (DoS) It may be in a state. ‌TOTOLINK EX200 is a 2.4G wireless N range extender designed to expand the coverage of existing Wi-Fi networks. The vulnerability stems from the function getSaveConfig in the file /cgi-bin/cstecgi.cgi?action=save&setting as parameter http_host, which causes a buffer overflow. No detailed vulnerability details are currently provided

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