CVE-2026-7674 Details
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.
A buffer overflow vulnerability has been identified in the Shenzhen Libituo Technology LBT-T300-HW1 model, affecting versions through 1.2.8. The issue arises in the Web Management Interface, specifically within the 'start_single_service' function. The vulnerability can be exploited remotely by manipulating the 'vpn_pptp_server' or 'vpn_l2tp_server' arguments, leading to a stack overflow that may allow arbitrary command execution.
Metrics
CVSS 4.0 Severity and Vector Strings:
VolerionCVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
Volerion
Assessed May 3, 2026CISA-ADP
Assessed May 4, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://github.com/hmKunlun/lbt-t300-hw1/blob/main/reselov_vpn_server%EF%BC%88vpn_pptp_server%EF%BC%89.md | [email protected] | ExploitTechnical Description |
| https://vuldb.com/submit/800705 | [email protected] | Permission Required |
| https://vuldb.com/submit/800706 | [email protected] | Permission Required |
| https://vuldb.com/vuln/360827 | [email protected] | AdvisoryPermission Required |
| https://vuldb.com/vuln/360827/cti | [email protected] | Content Wall |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-119 | Improper Restriction of Operations within the Bounds of a Memory Buffer | [email protected] |
| CWE-120 | Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| Shenzhen Libituo Technology LBT-T300-HW1 | All versions |
CPE
Remediation
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Change History
3 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| May 3, 2026 | New CVE Received | [email protected] |