CVE-2026-5678: Totolink a7100ru

High severity, CVSS 7.3. EPSS: 2.1% chance of exploitation in the next 30 days.

A weakness has been identified in Totolink A7100RU 7.4cu.2313_b20191024. The affected element is the function setScheduleCfg of the file /cgi-bin/cstecgi.cgi. Executing a manipulation of the argument mode can lead to os command injection. The attack may be launched remotely. The exploit has been made available to the public and could be used for attacks.

Affected products

• Totolink a7100ru: version 7.4cu.2313_b20191024 only

Published 2026-04-06. Last modified 2026-07-24.