CVE-2026-7674 HIGH

CVE-2026-7674: Shenzhen Libituo Technology LBT-T300-HW1 Web Management start_single_service buffer overflow

Vendor Shenzhen Libituo Technology
Product LBT-T300-HW1
Weakness CWE-120
Published May 3, 2026
Last update May 4, 2026

CVSS base score

8.7/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X

What the vulnerability does

01Description

A flaw has been found in Shenzhen Libituo Technology LBT-T300-HW1 up to 1.2.8. This issue affects the function start_single_service of the component Web Management Interface. Executing a manipulation of the argument vpn_pptp_server/vpn_l2tp_server can lead to buffer overflow. The attack can be executed remotely. The vendor was contacted early about this disclosure but did not respond in any way.

Key dates

02Disclosure timeline

May 3, 2026 CVE published
May 4, 2026 Record updated