CVE-2023-34401 — Mercedes-Benz head-unit NTG6 contains functions to import or export profile sett

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 memo

01What is this vulnerability?

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.

02Affected products

Vendor	Product	Versions
n	a / n/a	n/a

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2025-02-13T00:00:00.000Z
• Last modified: 2025-03-18T16:08:57.621Z

09References

• securelist.com — https://securelist.com/mercedes-benz-head-unit-security-research/115218/