CVE-2023-51028: Totolink EX1800T Firmware

Critical severity, CVSS 9.8. EPSS: 1% chance of exploitation in the next 30 days.

TOTOLINK EX1800T 9.1.0cu.2112_B20220316 is vulnerable to unauthorized arbitrary command execution in the apcliChannel parameter of the setWiFiExtenderConfig interface of the cstecgi.cgi.

Affected products

• Totolink EX1800T Firmware: version 9.1.0cu.2112_b20220316 only

Published 2023-12-22. Last modified 2026-06-17.