CVE-2023-48800: Totolink x6000r Firmware

Critical severity, CVSS 9.8. EPSS: 1.6% chance of exploitation in the next 30 days.

In TOTOLINK X6000R_Firmware V9.4.0cu.852_B20230719, the shttpd file sub_417338 function obtains fields from the front-end, connects them through the snprintf function, and passes them to the CsteSystem function, resulting in a command execution vulnerability.

Affected products

• Totolink x6000r Firmware: version 9.4.0cu.852_b20230719 only

Published 2023-12-04. Last modified 2026-06-17.