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.

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact High

Vulnerable System Integrity Impact High

Vulnerable System Availability Impact High

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

Access Vector Network

Access Complexity Low

Authentication Single

Confidentiality Impact Complete

Integrity Impact Complete

Availability Impact Complete

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
Shenzhen Libituo Technology LBT-T300-HW1 affected
Version Status Constraints
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 —

No data.

No data.

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No data.

Project Subscriptions

No data.

Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://github.com/hmKunlun/lbt-t300-hw1/blob/main/reselov_vpn_server%EF%BC%88vpn_pptp_server%EF%BC%89.md cve-icon cve-icon
https://vuldb.com/submit/800705 cve-icon cve-icon
https://vuldb.com/submit/800706 cve-icon cve-icon
https://vuldb.com/vuln/360827 cve-icon cve-icon
https://vuldb.com/vuln/360827/cti cve-icon cve-icon
History

Sun, 03 May 2026 02:00:00 +0000

Type Values Removed Values Added
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.
Title Shenzhen Libituo Technology LBT-T300-HW1 Web Management start_single_service buffer overflow
Weaknesses CWE-119
CWE-120
References
Metrics cvssV2_0

{'score': 9, 'vector': 'AV:N/AC:L/Au:S/C:C/I:C/A:C/E:ND/RL:ND/RC:UR'}

cvssV3_0

{'score': 8.8, 'vector': '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'}

cvssV3_1

{'score': 8.8, 'vector': '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'}

cvssV4_0

{'score': 8.7, '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'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulDB

Published:

Updated: 2026-05-03T01:30:14.156Z

Reserved: 2026-05-02T08:30:55.245Z

Link: CVE-2026-7674

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-05-03T02:17:12.993

Modified: 2026-05-03T02:17:12.993

Link: CVE-2026-7674

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-05-03T04:00:12Z

Weaknesses