Buffer Overflow Vulnerability in Shenzhen Libituo Technology Product
CVE-2026-7675

8.7HIGH

Key Information:

Vendor

Shenzhen Libituo Technology

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

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-7675?

A buffer overflow vulnerability has been identified in the Shenzhen Libituo Technology LBT-T300-HW1 router, specifically within the start_lan function of the /apply.cgi file. This issue arises when user-controlled input is mishandled, allowing remote attackers to manipulate the Channel/ApCliSsid argument. As a result, this can lead to unauthorized access and potential system compromise. The vulnerability has been publicly disclosed, and despite early notification attempts, the vendor has not responded, raising concerns about the risk of exploitation affecting users.

Affected Version(s)

LBT-T300-HW1 1.2.0

LBT-T300-HW1 1.2.1

LBT-T300-HW1 1.2.2

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-7675 - Proof of Concept

References

https://vuldb.com/vuln/360828
vdb-entrytechnical-description
https://vuldb.com/vuln/360828/cti
signaturepermissions-required
https://vuldb.com/submit/800708
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

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

kunlun (VulDB User)
VulDB CNA Team
.