Shenzhen Libituo Technology Co., Ltd LBT-T300-T400 v3.2 were discovered to contain a stack overflow via the pin_3g_code parameter in the config_3g_para function.
Conclusion & alert: CVE-2024-40536 is rated Exploit Available (50/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.45%). Core evidence: 1 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
| EDB-ID | Source | Kind | Published | Link |
|---|---|---|---|---|
| — | nvd_ref | exploit_tag | Exploit-DB ↗ |
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-06-15 | 0.15% | 0.45% | +0.29% |
| 2 | 2025-05-02 | 0.14% | 0.15% | +0.01% |
| 3 | 2025-04-15 | — | 0.14% | — |
Full EPSS history (6 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 5.3 | 3.1 | MEDIUM |
|
3.9 | 1.4 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| szlbt | lbt-t300-t400_firmware | 3.2 | cpe:2.3:o:szlbt:lbt-t300-t400_firmware:3.2:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://github.com/tt01bolt/vul/blob/main/LBT-T300-T400_Buffer%20overflow.md | Exploit Third Party Advisory |