PT-2018-13: Command Injection in PHOENIX CONTACT FL SWITCH

Vulnerable products

PHOENIX CONTACT FL SWITCH 3xxx, 4xxx, and 48xxx
Firmware version: 1.33 and earlier


Severity level

Severity level: High
Impact: Arbitrary Command Injection
Access Vector: Remote

CVSS v3:
Base Score: 9.1
Vector: (AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H)

CVE: CVE-2018-10730

Vulnerability description

The specialists of the Positive Research center have detected a Command Injection vulnerability in PHOENIX CONTACT FL SWITCH.

Vulnerability in Phoenix Contact managed FL SWITCH allows attackers to inject and execute arbitrary OS commands.

How to fix

Update firmware to the latest version

Advisory status

22.02.2018 - Vendor gets vulnerability details
16.05.2018 - Vendor releases fixed version and details
29.08.2018 - Public disclosure


The vulnerability was detected by Vyacheslav Moskvin, Positive Research Center (Positive Technologies Company)


Reports on the vulnerabilities previously discovered by Positive Research:

About Positive Technologies

Positive Technologies is a leading digital security firm with over 15 years of experience in 360° protection of critical IT systems against the most advanced cyberthreats. State-of-the-art solutions are developed at the company's research center—one of the largest in Europe. Positive Technologies experts have helped to identify and fix over 250 zero-day vulnerabilities in products from Cisco, Google, Honeywell, Huawei, Microsoft, Oracle, SAP, Schneider Electric, Siemens, and others, earning a reputation for world-class expertise in protection of devices and infrastructures at all scales from ATMs to nuclear power stations. Findings by Positive Technologies researchers are used for updating the MaxPatrol knowledge base and for development of security solutions including PT Application Firewall, PT Application Inspector, MaxPatrol. These products allow securing web applications, evaluating network protection, blocking attacks in real time, ensuring compliance with industry and national standards, and training security specialists. Positive Technologies is the organizer of the annual Positive Hack Days international forum and security competition.