ZDI-26-821: (0Day) (Pwn2Own) Alpine iLX-F511 vCard Parsing Stack-based Buffer Overflow Remote Code Execution Vulnerability

This vulnerability allows network-adjacent attackers to execute arbitrary code on affected Alpine iLX-F511 devices. User interaction is required to exploit this vulnerability in that the target must connect to a malicious Bluetooth device. The ZDI has assigned a CVSS rating of 8.0. The following CVEs are assigned: CVE-2026-118603.