What is the CVSS score of CVE-2024-40536?

CVE-2024-40536 has a CVSS 3.1 base score of 5.3 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L. EPSS exploitation probability: 0.4%.

Is there a public PoC exploit available for CVE-2024-40536?

Yes, a public proof-of-concept exploit is available for CVE-2024-40536. Prioritise patching immediately. EPSS: 0.4%.

Lbt T300 T400 Firmware CVE-2024-40536

MEDIUM

Classic Buffer Overflow (CWE-120)

2024-07-16 cve@mitre.org

Buffer Overflow Lbt T300 T400 Firmware

5.3

CVSS 3.1 · Vendor: mitre

Severity by source

Vendor (mitre) PRIMARY

5.3 MEDIUM

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Primary rating from Vendor (mitre) · only source for this CVE.

CVSS VectorVendor: mitre

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

Low

Lifecycle Timeline

CVE Published

Jul 16, 2024 - 21:15 cve.org

MEDIUM 5.3

DescriptionCVE.org

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.

AnalysisAI

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. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified as Buffer Copy without Size Check (CWE-120), which allows attackers to overflow a buffer to corrupt adjacent memory. 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. Affected products include: Szlbt Lbt-T300-T400 Firmware.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Always validate buffer sizes before copy operations. Use bounded functions (strncpy, snprintf). Enable compiler protections.