What is the CVSS score of CVE-2023-34402?

CVE-2023-34402 has a CVSS 3.1 base score of 7.7 (High). CVSS vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H. EPSS exploitation probability: 0.1%.

Which versions of Headunit Ntg6 Mercedes Benz User Experience are affected by CVE-2023-34402?

Organizations using Mercedes-Benz head-unit NTG6 face notable risk from CVE-2023-34402, a out-of-bounds write vulnerability rated CVSS 7.7.

How to fix or mitigate CVE-2023-34402?

Within 7 days: Identify all affected systems and apply vendor patches promptly. If patching is delayed, consider network segmentation to limit exposure.

Headunit Ntg6 Mercedes Benz User Experience CVE-2023-34402

HIGH

Out-of-bounds Write (CWE-787)

2025-02-13 cve@mitre.org

Memory Corruption Buffer Overflow Headunit Ntg6 Mercedes Benz User Experience

7.7

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

7.7 HIGH

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

High

Availability

High

Lifecycle Timeline

Analysis Generated

Mar 28, 2026 - 18:26 vuln.today

CVE Published

Feb 13, 2025 - 23:15 nvd

HIGH 7.7

DescriptionCVE.org

Mercedes-Benz head-unit NTG6 contains functions to import or export profile settings over USB. Inside file is encapsulate another file, which service will drop during processing. Due to missed checks, attacker can achieve Arbitrary File Write with service speech rights.

AnalysisAI

Mercedes-Benz head-unit NTG6 contains functions to import or export profile settings over USB. Rated high severity (CVSS 7.7), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified as Out-of-bounds Write (CWE-787), which allows attackers to write data beyond allocated buffer boundaries leading to code execution or crashes. Mercedes-Benz head-unit NTG6 contains functions to import or export profile settings over USB. Inside file is encapsulate another file, which service will drop during processing. Due to missed checks, attacker can achieve Arbitrary File Write with service speech rights. 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 write boundaries, use memory-safe languages, enable compiler protections (ASLR, stack canaries).