CVE-2026-7674

Shenzhen Libituo Technology LBT-T300-HW1 Web Management start_single_service buffer overflow

State: Published
Severity: 8.7 High
Published: May 3, 2026
Updated: May 4, 2026
Reserved: May 2, 2026

Description

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.

Scores

CVSS	Score	Vector	Source
4.0	8.7 High	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	VulDB
3.1	8.8 High	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:X/RL:X/RC:R	VulDB
3.0	8.8 High	CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:X/RL:X/RC:R	VulDB
2.0	9.0 High	AV:N/AC:L/Au:S/C:C/I:C/A:C/E:ND/RL:ND/RC:UR	VulDB

Weaknesses

CWE-120 Buffer Overflow
CWE-119 Memory Corruption

Affected Products

Product	Versions
LBT-T300-HW1Shenzhen Libituo Technology	1.2.0Affected 1.2.1Affected 1.2.2Affected 1.2.3Affected 1.2.4Affected 1.2.5Affected 1.2.6Affected 1.2.7Affected 1.2.8Affected

References

VDB-360827 | Shenzhen Libituo Technology LBT-T300-HW1 Web Management start_single_service buffer overflowvdb-entrytechnical-description
VDB-360827 | CTI Indicators (IOB, IOC, IOA)signaturepermissions-required
Submit #800705 | Libtor Technology lbt-t300-hw1 <=V1.2.8 Buffer Overflowthird-party-advisory
Submit #800706 | Libtor Technology lbt-t300-hw1 <=V1.2.8 Buffer Overflow (Duplicate)third-party-advisory
https://github.com/hmKunlun/lbt-t300-hw1/blob/main/reselov_vpn_server%EF%BC%88vpn_pptp_server%EF%BC%89.mdrelated

Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.