CVE-2023-34399: Mercedes-Benz head-unit NTG6 contains functions to import or export profile settings over USB

Q: How do I fix CVE-2023-34399?

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

Q: Is CVE-2023-34399 being exploited?

CVE-2023-34399 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-2023-34399 affect?

CVE-2023-34399 affects headunit ntg6 mercedes-benz user experience. Severity is critical (CVSS 9.8). Mercedes-Benz head-unit NTG6 contains functions to import or export profile settings over USB. Some values of this table are serialized archive according boost library. The version of boost library contains vulnerability integer overflow.

Q: How urgent is CVE-2023-34399?

Priority 54/100. Critical severity; Remotely exploitable, no login, no user action

This month

CRITICAL 9.8REMOTEUPGRADE

CVE-2023-34399 is a critical-severity flaw (CVSS 9.8) 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. Some values of this table are serialized archive according boost library. The version of boost library contains vulnerability integer overflow.

Why this priority

Critical severity
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.8% (top 42%)
CISA exploited list	No
Weakness	CWE-190
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 22:15 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-2023-34399?

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

Is CVE-2023-34399 being exploited?

CVE-2023-34399 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-2023-34399 affect?

CVE-2023-34399 affects headunit ntg6 mercedes-benz user experience. Severity is critical (CVSS 9.8). Mercedes-Benz head-unit NTG6 contains functions to import or export profile settings over USB. Some values of this table are serialized archive according boost library. The version of boost library contains vulnerability integer overflow.

How urgent is CVE-2023-34399?

Priority 54/100. Critical severity; Remotely exploitable, no login, no user action

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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