CVE-2024-0297: Totolink n200re Firmware

Critical severity, CVSS 9.8. EPSS: 3.8% chance of exploitation in the next 30 days.

A vulnerability was found in Totolink N200RE 9.3.5u.6139_B20201216 and classified as critical. This issue affects the function UploadFirmwareFile of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument FileName leads to os command injection. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. The associated identifier of this vulnerability is VDB-249863. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Affected products

• Totolink n200re Firmware: version 9.3.5u.6139_b20201216 only

Published 2024-01-08. Last modified 2026-06-17.