CVE-2023-34406

Name: CVE-2023-34406
Creator: NVD / NIST
Published: 2025-02-13T23:15:09.633+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

LOWCVSS 3.3/10EPSS 0.21%

Last modified Jun 17, 2026

CVE-2023-34406 is a low-severity vulnerability rated 3.3/10 on the CVSS scale. 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. EPSS estimates a 0.21% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

3.3/10

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

EPSS Probability

0.21%

11.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-190

Affected Software

Vendor	Product	Versions
Mercedes-Benz	Headunit Ntg6 Mercedes-Benz User Experience	<= 2021

References

https://securelist.com/mercedes-benz-head-unit-security-research/115218/Third Party Advisory

Timeline

Published: Feb 13, 2025
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2023-34406?

How severe is CVE-2023-34406?

CVE-2023-34406 has a CVSS score of 3.3/10 (LOW severity). The EPSS model estimates a 0.21% probability of exploitation in the next 30 days.

How do I fix CVE-2023-34406?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-34406?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST