CVE-2025-8019: Szlbt Lbt-t300-t310 Firmware

High severity, CVSS 8.8. EPSS: 0.8% chance of exploitation in the next 30 days.

A vulnerability was found in Shenzhen Libituo Technology LBT-T300-T310 2.2.3.6. It has been rated as critical. Affected by this issue is the function sub_40B6F0 of the file at/appy.cgi. The manipulation of the argument wan_proto leads to buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used.

Affected products

• Szlbt Lbt-t300-t310 Firmware: version 2.2.3.6 only

Published 2025-07-22. Last modified 2026-06-17.