An issue was discovered in Mercedes Benz NTG (New Telematics Generation) 6 through 2021.
An issue was discovered in Mercedes Benz NTG (New Telematics Generation) 6 through 2021. A possible NULL pointer dereference in the Apple Car Play function affects NTG 6 head units. To perform this attack, physical access to Ethernet pins of the head unit base board is needed. With a static IP address, an attacker can connect via the internal network to the AirTunes / AirPlay service. With prepared HTTP requests, an attacker can cause the Car Play service to fail.
Noroxi analysis
No Noroxi analysis for this record yet
We don't hand-write analysis for the hundreds of thousands of vulnerabilities in the database; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.
We use this product, ask for help- Published
- Feb 13, 2025
- Updated
- Jun 17, 2026
- EPSS
- 0.3% · 25th percentile
- CWE
- CWE-476
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Report tools
Action score
18
Monitor
Low priority for now.
- CVSS
- 18 / 40 · 4.6 / 10
- CISA KEV
- 0 / 30 · Not listed
- EPSS
- 0 / 30 · 0.3%
CISA SSVC decision
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
Vulnrichment: CISA's decision-tree inputs.
CNA vs NVD score
- NVD
- —
- CNA · mitre
- 4.6
- NVD has not scored this yet; the score shown is the CNA’s.
CVSS:3.1/AC:L/AV:P/A:H/C:N/I:N/PR:N/S:U/UI:N
The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.
Affected systems
| Vendor | Product | CPE |
|---|---|---|
| mercedes-benz | headunit ntg6 mercedes-benz user experience | cpe:2.3:a:mercedes-benz:headunit_ntg6_mercedes-benz_user_experience |
Affected versions
NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.
- mercedes-benz headunit ntg6 mercedes-benz user experienceup to 2021 inclusive
Same product
mercedes-benz: all recordsOther highest-scoring records for the same primary product.
- CVE-2021-23908An issue was discovered in the Headunit NTG6 in the MBUX Infotainment System on Mercedes-Benz vehicles through 2021.40Plan
- CVE-2021-23907An issue was discovered in the Headunit NTG6 in the MBUX Infotainment System on Mercedes-Benz vehicles through 2021.40Plan
- CVE-2023-34399Mercedes-Benz head-unit NTG6 contains functions to import or export profile settings over USB.39Monitor
- CVE-2023-34402Mercedes-Benz head-unit NTG6 contains functions to import or export profile settings over USB.30Monitor
- CVE-2023-34400Mercedes-Benz head-unit NTG6 contains functions to import or export profile settings over USB.30Monitor
- CVE-2023-34398Mercedes-Benz head-unit NTG6 contains functions to import or export profile settings over USB.30Monitor
Remediation
Which version to upgrade to
Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.
No fix version is recorded for this entry. Check the references for vendor advisories.
Exploit status
No known public exploit
No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.
Research context
For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.
Timeline
From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.
No dated events beyond publication.
FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).
Patch and commit links
Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.
No commit or PR link among the references.
Credits
All researchersFinders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.
No credits in the CNA record.
Variant candidates
Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.
- CVE-2023-343980 days apartMercedes-Benz head-unit NTG6 contains functions to import or export profile settings over USB.30Monitor
- CVE-2023-344000 days apartMercedes-Benz head-unit NTG6 contains functions to import or export profile settings over USB.30Monitor
Chain candidates
An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.
—
Bug bounty scope
No known public program.
Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).
Technical details
Attack conditions
- Physical access to the device is required.
- No account or password is required.
- No user action is required.
- No special conditions are required; it is repeatable.
If successful
- Confidentiality
- none
- Integrity
- none
- Availability
- high · the service can be disrupted
- Attack vector
- Physical
- Attack complexity
- Low
- Privileges required
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality impact
- None
- Integrity impact
- None
- Availability impact
- High
Weakness class (CWE)
CWE-476 · NULL Pointer DereferenceCVSS vector
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
nvd-secondary
Attack context
MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.
MITRE has no CAPEC/ATT&CK mapping for this CWE.
Change log
No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.
References
Vendor advisories and official records. Exploit/PoC links are deliberately left out.