CVE-2023-51035: Totolink EX1200L Firmware

Critical severity, CVSS 9.8. EPSS: 1.3% chance of exploitation in the next 30 days.

TOTOLINK EX1200L V9.3.5u.6146_B20201023 is vulnerable to arbitrary command execution on the cstecgi.cgi NTPSyncWithHost interface.

Affected products

• Totolink EX1200L Firmware: version 9.3.5u.6146_b20201023 only

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