EUVD-2026-12786CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
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Description
A command injection vulnerability in the device’s Root CA certificate transfer workflow allows a high-privileged attacker to send crafted HTTP POST requests that result in arbitrary command execution on the underlying Linux OS with root privileges.
Analysis
Arbitrary command execution with root privileges affects multiple Fl Switch and Fl Nat devices through improper handling of HTTP POST requests in the Root CA certificate transfer workflow. An authenticated high-privileged attacker can exploit this command injection flaw to execute arbitrary commands on the underlying Linux operating system. …
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Remediation
Within 24 hours: Identify all affected devices in your environment and assess which systems have high-privileged user accounts that could exploit this vulnerability. Within 7 days: Implement network segmentation to restrict access to the Root CA certificate transfer functionality and deploy WAF rules to block suspicious POST requests to vulnerable endpoints. …
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