# CVE-2026-118604: Alpine iLX-F511 Framework Service Stack-based Buffer Overflow Remote Code Execution Vulnerability

Status: published. Published: 2026-10-28. Updated: 2026-11-05.

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.

## Remediation

No remediation reported in collected sources

## Affected products and versions

- Alpine / iLX-F511: 7.0.000 (affected). Source: CNA: zdi

## Severity and prioritization

- CVSS 3.0: 6.8 (medium); CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H; source: CNA: zdi

- CISA KEV: No listing in collected sources

- EPSS: 0.30% as of 2026-11-05; percentile 22.47%

- SSVC: exploitation none; automatable no; technical impact total; source ADP: CISA-ADP

- Weaknesses: CWE-121

## Exploit evidence

No exploit evidence in collected sources. This is not proof of no exploitation.

## References

- https://www.zerodayinitiative.com/advisories/ZDI-26-822/ (CNA: zdi; x_research-advisory)

## Provenance

- CNA: zdi: https://www.cve.org/CVERecord?id=CVE-2026-118604; retrieved 2026-11-05; source updated 2026-11-05

- FIRST EPSS: https://api.first.org/data/v1/epss?cve=CVE-2026-118604; retrieved 2026-11-05; source updated Not reported

Revision: 6b3ce6a515db3a0d1f497f9cd0bf56b5c17dd8c32ad0a0b019d45f880646c45e

Canonical: https://y2.dev/cve/CVE-2026-118604

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