CVE-2024-40535: Szlbt Lbt-t300-t400 Firmware

Critical severity, CVSS 9.8. EPSS: 0.6% chance of exploitation in the next 30 days.

Shenzhen Libituo Technology Co., Ltd LBT-T300-T400 v3.2 was discovered to contain a stack overflow via the apn_name_3g parameter in the config_3g_para function.

Affected products

• Szlbt Lbt-t300-t400 Firmware: version 3.2 only

Published 2024-07-16. Last modified 2026-06-17.