What is the CVSS score of CVE-2023-34406?

CVE-2023-34406 has a CVSS 3.1 base score of 3.3 (Low). CVSS vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L. EPSS exploitation probability: 0.1%.

Which versions of Headunit Ntg6 Mercedes Benz User Experience are affected by CVE-2023-34406?

CVE-2023-34406 is a low-severity vulnerability involving integer overflow (CVSS 3.3).

How to fix or mitigate CVE-2023-34406?

During next maintenance window: Apply vendor patches when convenient. Verify integer overflow controls are in place.

Headunit Ntg6 Mercedes Benz User Experience CVE-2023-34406

LOW

Integer Overflow or Wraparound (CWE-190)

2025-02-13 cve@mitre.org

Integer Overflow Buffer Overflow Headunit Ntg6 Mercedes Benz User Experience

3.3

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

3.3 LOW

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

Low

Lifecycle Timeline

Analysis Generated

Mar 28, 2026 - 18:26 vuln.today

CVE Published

Feb 13, 2025 - 23:15 nvd

LOW 3.3

DescriptionCVE.org

An issue was discovered on Mercedes Benz NTG 6. A possible integer overflow exists in the user data import/export function of NTG (New Telematics Generation) 6 head units. To perform this attack, local access to USB interface of the car is needed. With prepared data, an attacker can cause the User-Data service to fail. The failed service instance will restart automatically.

AnalysisAI

An issue was discovered on Mercedes Benz NTG 6. Rated low severity (CVSS 3.3), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified as Integer Overflow (CWE-190), which allows attackers to cause unexpected behavior through arithmetic overflow. An issue was discovered on Mercedes Benz NTG 6. A possible integer overflow exists in the user data import/export function of NTG (New Telematics Generation) 6 head units. To perform this attack, local access to USB interface of the car is needed. With prepared data, an attacker can cause the User-Data service to fail. The failed service instance will restart automatically. Affected products include: Mercedes-Benz Headunit Ntg6 Mercedes-Benz User Experience.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Validate arithmetic operations, use safe integer libraries, check bounds before allocation.