CVE-2023-28908 MEDIUM

CVE-2023-28908: Integer Overflow in Non-Fragmented Data Reception

Vendor Preh Car Connect Gmbh (Joynext Gmbh)
Product Volkswagen MIB3 infotainment system MIB3 OI MQB
Weakness CWE-190
Published June 28, 2025
Last update June 30, 2025
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CVSS base score

5.4/10
Attack vector Adjacent
Attack complexity Low
Privileges required None
User interaction None
Confidentiality None
Integrity Low

CVSS vector

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

What the vulnerability does

01Description

A specific flaw exists within the Bluetooth stack of the MIB3 infotainment. The issue results from the lack of proper validation of user-supplied data, which can result in an integer overflow when receiving non-fragmented HCI packets on a channel. The vulnerability was originally discovered in Skoda Superb III car with MIB3 infotainment unit OEM part number 3V0035820. The list of affected MIB3 OEM part numbers is provided in the referenced resources.

Key dates

02Disclosure timeline

June 28, 2025 CVE published
June 30, 2025 Record updated