Buffer overflow in Alpine Ilx-F511
CVE-2026-118611
Alpine iLX-F511 Bluetooth OBEX Packet Handling Heap-based Buffer Overflow Remote Code Execution Vulnerability. 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. Was ZDI-CAN-29012.
Vulnerability class: Buffer Overflow
Published .
CVSS v3 metric
CVSS v3 base score 6.8 (Medium). Vector: CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
- Alpine Ilx-F511 — versions 7.0.000
Weakness classification (CWE)
References
- www.zerodayinitiative.com/advisories/ZDI-26-829/ (x_research-advisory)
Frequently asked questions
- What is CVE-2026-118611?
- CVE-2026-118611 is a medium-severity vulnerability in Alpine Ilx-F511, classified under Heap-based Buffer Overflow. CVSS score: 6.8/10. Published 2026-10-28.
- How severe is CVE-2026-118611?
- Medium severity. CVSS v3 base score is 6.8 out of 10.