CVE-2026-7720: Totolink WA300

Medium severity, CVSS 6.3. EPSS: 1.8% chance of exploitation in the next 30 days.

A weakness has been identified in Totolink WA300 5.2cu.7112_B20190227. The impacted element is the function setLanguageCfg of the file /cgi-bin/cstecgi.cgi of the component POST Request Handler. This manipulation of the argument langType causes command injection. Remote exploitation of the attack is possible. The exploit has been made available to the public and could be used for attacks.

Affected products

• Totolink WA300: version 5.2cu.7112_B20190227 only

Published 2026-05-04. Last modified 2026-06-17.