Summary
Ein entfernter, authentisierter oder anonymer Angreifer kann mehrere Schwachstellen in Phoenix Contact FL SWITCH ausnutzen, um beliebigen Programmcode mit Administratorrechten auszuführen, einen Denial-of-Service-Zustand zu verursachen, Cross-Site-Scripting-Angriffe durchzuführen oder Daten zu manipulieren.
Product
Produkte der FL SWITCH Reihe sind Industrielle Netzwerkswitches.
Vulnerabilities 8
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High 7.2
Command Injection Vulnerability in Root CA Certificate Transfer Workflow
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.
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High 7.1
Stored Cross‑Site Scripting in Link Aggregation Name Handling
A stored cross‑site scripting (XSS) vulnerability in the Link Aggregation configuration interface allows an unauthenticated remote attacker to create a trunk entry containing malicious HTML/JavaScript code. When the affected page is viewed, the injected scrip…
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High 7.1
Cross‑Site Request Forgery in Link Aggregation Configuration
A CSRF vulnerability in the Link Aggregation configuration interface allows an unauthenticated remote attacker to trick authenticated users into sending unauthorized POST requests to the device by luring them to a malicious webpage. This can silently alter th…
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Medium 6.5
Buffer Overflow using TFTP Filename
A remote attacker with user privileges for the webUI can use the setting of the TFTP Filename with a POST Request to trigger a stack-based Buffer Overflow, resulting in a DoS attack.
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Medium 6.5
Stack-Based Buffer Overflow in TFTP File-Transfer Command Handling over CLI
A stack-based buffer overflow in the CLI's TFTP file‑transfer command handling allows a low-privileged attacker with Telnet/SSH access to trigger memory corruption by supplying unexpected or oversized filename input. Exploitation results in the corruption of …
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Medium 5.3
Stack-Based Buffer Overflow in CLI Login Username Handling over CLI
A stack-based buffer overflow in the device's Telnet/SSH CLI login routine occurs when a unauthenticated attacker send an oversized or unexpected username input. An overflow condition crashes the thread handling the login attempt, forcing the session to close…
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Medium 4.9
Stack-Based Buffer Overflow in File Transfer Parameter Handling
A stack-based buffer overflow vulnerability in the device's file transfer parameter workflow allows a high-privileged attacker to send oversized POST parameters, causing memory corruption in an internal process, resulting in a DoS attack.
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Medium 4.9
Stack-Based Buffer Overflow in File Install Parameter Handling
A stack-based buffer overflow in the device's file installation workflow allows a high-privileged attacker to send oversized POST parameters that overflow a fixed-size stack buffer within an internal process, resulting in a DoS attack.
Revision history
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#2
Referenz(en) aufgenommen: EUVD-2026-12789
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#1
Initiale Fassung
References
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Phoenix Security Advisory vom 2026-03-17
https://assets.phoenixcontact.com/file/6ef12bd6-c4f3-4361-9f1d-7e89a389b541/media/original?pcsa-2025-00022_vde-2025-104_pdf