CVE-2023-46976: Totolink a3300r Firmware

Critical severity, CVSS 9.8. EPSS: 1.5% chance of exploitation in the next 30 days.

TOTOLINK A3300R 17.0.0cu.557_B20221024 contains a command injection via the file_name parameter in the UploadFirmwareFile function.

Affected products

• Totolink a3300r Firmware: version 17.0.0cu.557_b20221024 only

Published 2023-10-31. Last modified 2026-06-17.