CVE-2025-5909: Totolink EX1200T Firmware

High severity, CVSS 8.8. EPSS: 1.4% chance of exploitation in the next 30 days.

A vulnerability, which was classified as critical, was found in TOTOLINK EX1200T up to 4.1.2cu.5232_B20210713. Affected is an unknown function of the file /boafrm/formReflashClientTbl of the component HTTP POST Request Handler. The manipulation leads to buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used.

Affected products

• Totolink EX1200T Firmware: up to and including 4.1.2cu.5232_b20210713

Published 2025-06-10. Last modified 2026-06-17.