ZDI-26-820: (0Day) (Pwn2Own) Alpine iLX-F511 Fiv.System Exposed Dangerous Method Local Privilege Escalation Vulnerability
This vulnerability allows local attackers to escalate privileges on affected installations of Alpine iLX-F511. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The specific flaw exists within the Fiv service. The issue results from an exposed dangerous method. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of root.
Other sources
This vulnerability allows local attackers to escalate privileges on affected installations of Alpine iLX-F511. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The ZDI has assigned a CVSS rating of 7.8. The following CVEs are assigned: CVE-2026-118602.
— ZDI
Affected Software
Event History
Frequently Asked Questions
What level of access does an attacker need before exploiting this issue?
The attacker must already be able to execute low-privileged code locally on the affected system. The vulnerability is not described as remotely exploitable.
What is the impact of successful exploitation?
Successful exploitation allows arbitrary code execution in the context of root, resulting in a local privilege escalation with high confidentiality, integrity, and availability impact.
Which component is responsible for the vulnerability?
The issue is in the Fiv service, where an exposed dangerous method can be leveraged by a local low-privileged attacker.