CVE-2026-91853: Totolink x5000r

High severity, CVSS 7.4. EPSS: 1.8% chance of exploitation in the next 30 days.

A vulnerability has been found in TOTOLINK X5000R 9.1.0cu.2089_B20211224. The impacted element is the function exportOvpn of the file /cgi-bin/cstecgi.cgi?action=exportOvpn&type=user of the component Export Ovpn Handler. The manipulation of the argument filetype leads to os command injection. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used.

Affected products

• Totolink x5000r: version 9.1.0cu.2089_B20211224 only

Published 2026-09-15. Last modified 2026-09-16.