Command Injection Vulnerability in Linux OS Devices by Specific Vendor
CVE-2026-22317

7.2HIGH

Key Information:

Vendor

Phoenix Contact

Status
Fl Switch 2005
Fl Switch 2008
Fl Switch 2016
Fl Switch 2105
Vendor
CVE Published:
18 March 2026

What is CVE-2026-22317?

A command injection vulnerability exists in the Root CA certificate transfer workflow of specific Linux OS devices. This flaw enables an attacker with high privileges to execute arbitrary commands on the machine by sending specially crafted HTTP POST requests. Successful exploitation can compromise the integrity and security of the affected device, posing significant risks to the underlying operating system and its operations.

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Affected Version(s)

FL NAT 2008 0.0.0 < 3.53

FL NAT 2208 0.0.0 < 3.53

FL NAT 2304-2GC-2SFP 0.0.0 < 3.53

References

https://certvde.com/de/advisories/VDE-2025-104

CVSS V3.1

Score:
7.2
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Gabriele Quagliarella from Nozomi Networks
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