Buffer Overflow Vulnerability in LBT-T300-HW1 Web Management Interface by Shenzhen Libituo Technology
CVE-2026-7674

8.7HIGH

Key Information:

Vendor

Shenzhen Libituo Technology

Status
Lbt-t300-hw1
Vendor
CVE Published:
3 May 2026

What is CVE-2026-7674?

The product LBT-T300-HW1 from Shenzhen Libituo Technology is affected by a buffer overflow vulnerability in its Web Management Interface. This issue arises from improper handling of arguments in the start_single_service function, specifically the vpn_pptp_server and vpn_l2tp_server parameters. An attacker could exploit this vulnerability remotely to execute arbitrary code, potentially compromising the device's functionality. Despite early disclosure attempts to the vendor, there was no response, highlighting the urgency for users to assess their systems for this flaw to mitigate potential security risks.

Affected Version(s)

LBT-T300-HW1 1.2.0

LBT-T300-HW1 1.2.1

LBT-T300-HW1 1.2.2

References

https://vuldb.com/vuln/360827
vdb-entrytechnical-description
https://vuldb.com/vuln/360827/cti
signaturepermissions-required
https://vuldb.com/submit/800705
third-party-advisory

CVSS V4

Score:
8.7
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

kunlun (VulDB User)
VulDB CNA Team
.