(0Day) (Pwn2Own) Alpine iLX-F511 Bluetooth OBEX Packet Handling Heap-based Buffer Overflow Remote Code Execution Vulnerability
Vulnerability Details
This vulnerability allows physically present attackers to execute arbitrary code on affected installations of Alpine iLX-F511 devices. Authentication is not required to exploit this vulnerability.
The specific flaw exists within the handling of Bluetooth OBEX packets. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a heap-based buffer. An attacker can leverage this vulnerability to execute code in the context of root.
Additional Details
02/05/26 - ZDI reported the vulnerability to the vendor
06/07/26 - the vendor acknowledged the receipt of the report and asked for an extension
07/21/26 - ZDI requested an update on the status of the fix
10/15/26 - ZDI notified the vendor of the intention to publish the case as a 0-day advisory
-- Mitigation: Given the nature of the vulnerability, the only salient mitigation strategy is to restrict interaction with the product
Disclosure Timeline
- 2026-02-04 - Vulnerability reported to vendor
- 2026-10-28 - Coordinated public release of advisory
- 2026-10-28 - Advisory Updated
Credit
Autocrypt(Hoyong Jin, Jaewoo Jeong, Chanhyeok Jung, Minsoo Son, Kisang Choi)
