CVE-2023-34406

LOW
Published Feb 13, 2025 Modified Jun 27, 2025 CWE-190

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.

CVSS v3.1 Score

3.3
LOW
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L

Weakness Type (CWE)

CWE-190 Integer Overflow

Affected Products

Vendor Product
mercedes-benz headunit_ntg6_mercedes-benz_user_experience

References

Frequently Asked Questions

What is CVE-2023-34406? +
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. It has a CVSS v3.1 base score of 3.3 (LOW).
How severe is CVE-2023-34406? +
CVE-2023-34406 has a CVSS v3.1 score of 3.3 out of 10, rated LOW. This is a low-severity vulnerability with limited impact.
What products are affected by CVE-2023-34406? +
CVE-2023-34406 affects products from mercedes-benz, specifically: headunit_ntg6_mercedes-benz_user_experience. Check the affected products table above for specific version ranges.
How do I check if I'm vulnerable to CVE-2023-34406? +
You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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