PatchTheCVECVE-2023-34406: An issue was discovered on Mercedes Benz NTG 6
CVE-2023-34406 is a low-severity flaw (CVSS 3.3) affecting headunit ntg6 mercedes-benz user experience. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
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.
Why this priority
- No elevated risk signals yet
A fixed release or distro patch exists.
Risk facts
| CVSS score | 3.3 (Low) |
| Attack vector | Local |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | Required |
| EPSS exploit chance | 0.2% (top 87%) |
| CISA exploited list | No |
| Weakness | CWE-190 |
| Published | 2025-02-13 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2023-34406?
headunit ntg6 mercedes-benz user experience: upgrade to newer than 2021. Exact commands for each OS are on this page.
Is CVE-2023-34406 being exploited?
CVE-2023-34406 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2023-34406 affect?
CVE-2023-34406 affects headunit ntg6 mercedes-benz user experience. Severity is low (CVSS 3.3). 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
How urgent is CVE-2023-34406?
Priority 15/100. No elevated risk signals yet.
Related CVEs
- CVE-2024-37603 MEDIUM 4.6 DOWNGRADE An issue was discovered in Mercedes Benz NTG (New Telematics Generation) 6
- CVE-2024-37602 MEDIUM 4.6 UPGRADE An issue was discovered in Mercedes Benz NTG (New Telematics Generation) 6 through 2021
- CVE-2024-37601 MEDIUM 4.6 UPGRADE An issue was discovered in Mercedes Benz NTG (New Telematics Generation) 6
- CVE-2024-37600 MEDIUM 6.8 UPGRADE An issue was discovered in Mercedes Benz NTG (New Telematics Generation) 6 through 2021
- CVE-2023-34404 MEDIUM 4.9 DOWNGRADE Mercedes-Benz head-unit NTG6 has Ethernet pins on Base Board to connect module CSB