CVE-2026-1601: Totolink a7000r Firmware

Medium severity, CVSS 6.3. EPSS: 2.2% chance of exploitation in the next 30 days.

A weakness has been identified in Totolink A7000R 4.1cu.4154. The impacted element is the function setUploadUserData of the file /cgi-bin/cstecgi.cgi. Executing a manipulation of the argument FileName can lead to command injection. The attack can be launched remotely. The exploit has been made available to the public and could be used for attacks.

Affected products

• Totolink a7000r Firmware: version 4.1cu.4154 only

Published 2026-01-29. Last modified 2026-06-17.