---
id: CVE-2026-118604
title: >-
  Alpine iLX-F511 Framework Service Stack-based Buffer Overflow Remote Code
  Execution Vulnerability
summary: >-
  Alpine iLX-F511 Framework Service Stack-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. Aut…
severity: medium
cvss: 6.8
cvssVector: 'CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'
cvssSource: cna
cwe:
  - CWE-121
vendor: Alpine
product: iLX-F511
affected:
  - iLX-F511 7.0.000
published: '2026-10-28'
updated: '2026-10-28'
sourceUpdated: '2026-10-28T16:50:11.011Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-118604'
references:
  - url: 'https://www.zerodayinitiative.com/advisories/ZDI-26-822/'
    label: ZDI-26-822
tags:
  - cve.org
zeroDay: true
ingestedAt: '2026-10-28T17:14:44.440Z'
epss: 0.00297
epssPercentile: 0.22476
---

## Overview

Alpine iLX-F511 Framework Service Stack-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 framework service. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-29007.

## Affected

- `iLX-F511 7.0.000`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.