(0Day) (Pwn2Own) Alpine iLX-F511 SSH Hard-Coded Credentials Remote Code Execution Vulnerability

October 28th, 2026

Vulnerability Details

This vulnerability allows network-adjacent 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 SSH service. The issue results from the use of hard-coded credentials. An attacker can leverage this vulnerability to execute code in the context of the telechips user.

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

Sina Kheirkhah (@SinSinology) of Summoning Team (@SummoningTeam)

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