CVE-2023-34401: Mercedes-Benz head-unit NTG6 contains functions to import or export profile settings over USB

Q: How do I fix CVE-2023-34401?

headunit ntg6 mercedes-benz user experience: upgrade to newer than 2021. Exact commands for each OS are on this page.

Q: Is CVE-2023-34401 being exploited?

CVE-2023-34401 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2023-34401 affect?

CVE-2023-34401 affects headunit ntg6 mercedes-benz user experience. Severity is low (CVSS 3.7). Mercedes-Benz head-unit NTG6 contains functions to import or export profile settings over USB. Inside profile folder there is a file, which is encoded with proprietary UD2 codec. Due to missed size checks in the enapsulate file, attacker ca

Q: How urgent is CVE-2023-34401?

Priority 18/100. No elevated risk signals yet.

Routine

LOW 3.7UPGRADE

CVE-2023-34401 is a low-severity flaw (CVSS 3.7) 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.

Mercedes-Benz head-unit NTG6 contains functions to import or export profile settings over USB. Inside profile folder there is a file, which is encoded with proprietary UD2 codec. Due to missed size checks in the enapsulate file, attacker can achieve Out-of-Bound Read in heap memory.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	3.7 (Low)
Attack vector	Network (remote)
Attack complexity	High
Privileges needed	Low
User interaction	Required
EPSS exploit chance	0.3% (top 79%)
CISA exploited list	No
Weakness	CWE-125
Published	2025-02-13
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: mercedes-benz

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-02-13 23:15 UTCPublished CVE record published
2026-06-17 06:03 UTCUpdated Record last modified

mercedes-benz headunit ntg6 mercedes-benz user experience UPGRADE

Affected: <= 2021

Fixed in: newer than 2021

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy headunit-ntg6-mercedes-benz-user-experience || rpm -q headunit-ntg6-mercedes-benz-user-experience || headunit-ntg6-mercedes-benz-user-experience --version

2. UPGRADE to newer than 2021 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade headunit-ntg6-mercedes-benz-user-experience

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade headunit-ntg6-mercedes-benz-user-experience

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
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-2023-34401?

headunit ntg6 mercedes-benz user experience: upgrade to newer than 2021. Exact commands for each OS are on this page.

Is CVE-2023-34401 being exploited?

CVE-2023-34401 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-2023-34401 affect?

CVE-2023-34401 affects headunit ntg6 mercedes-benz user experience. Severity is low (CVSS 3.7). Mercedes-Benz head-unit NTG6 contains functions to import or export profile settings over USB. Inside profile folder there is a file, which is encoded with proprietary UD2 codec. Due to missed size checks in the enapsulate file, attacker ca

How urgent is CVE-2023-34401?

Priority 18/100. 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-2023-34406 LOW 3.3 UPGRADE An issue was discovered on Mercedes Benz NTG 6

References

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