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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.

PUBLISHED Reserved 2026-05-02 | Published 2026-05-03 | Updated 2026-05-04 | Assigner VulDB




HIGH: 8.7CVSS: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
HIGH: 8.8CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:X/RL:X/RC:R
HIGH: 8.8CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:X/RL:X/RC:R
9.0AV:N/AC:L/Au:S/C:C/I:C/A:C/E:ND/RL:ND/RC:UR

Problem types

Buffer Overflow

Memory Corruption

Product status

1.2.0
affected

1.2.1
affected

1.2.2
affected

1.2.3
affected

1.2.4
affected

1.2.5
affected

1.2.6
affected

1.2.7
affected

1.2.8
affected

Timeline

2026-05-02:Advisory disclosed
2026-05-02:VulDB entry created
2026-05-02:VulDB entry last update

Credits

kunlun (VulDB User) reporter

VulDB CNA Team coordinator

References

vuldb.com/vuln/360827 (VDB-360827 | Shenzhen Libituo Technology LBT-T300-HW1 Web Management start_single_service buffer overflow) vdb-entry technical-description

vuldb.com/vuln/360827/cti (VDB-360827 | CTI Indicators (IOB, IOC, IOA)) signature permissions-required

vuldb.com/submit/800705 (Submit #800705 | Libtor Technology lbt-t300-hw1 <=V1.2.8 Buffer Overflow) third-party-advisory

vuldb.com/submit/800706 (Submit #800706 | Libtor Technology lbt-t300-hw1 <=V1.2.8 Buffer Overflow (Duplicate)) third-party-advisory

github.com/...ain/reselov_vpn_server（vpn_pptp_server）.md related

cve.org (CVE-2026-7674)

nvd.nist.gov (CVE-2026-7674)

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