CVE-2025-41667
Unknown Unknown - Not Provided
BaseFortify

Publication date: 2025-07-08

Last updated on: 2025-07-08

Assigner: CERT VDE

Description
A low privileged remote attacker with file access can replace a critical file used by the arp-preinit script to get read, write and execute access to any file on the device.
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Meta Information
Published
2025-07-08
Last Modified
2025-07-08
Generated
2026-05-07
AI Q&A
2025-07-08
EPSS Evaluated
2026-05-05
NVD
EUVD
Affected Vendors & Products
Showing 2 associated CPEs
Vendor Product Version / Range
phoenix_contact plcnext_firmware 2025.0.2
phoenix_contact plcnext_engineer *
Helpful Resources
Exploitability
CWE
CWE Icon
KEV
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CWE ID Description
CWE-59 The product attempts to access a file based on the filename, but it does not properly prevent that filename from identifying a link or shortcut that resolves to an unintended resource.
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?

This vulnerability allows a low privileged remote attacker who has file access to replace a critical file used by the arp-preinit script. By doing so, the attacker can gain read, write, and execute access to any file on the affected device. The root cause is improper handling of symbolic links before file access, which enables unauthorized file manipulation and potentially full system compromise. [1]


How can this vulnerability impact me? :

Exploiting this vulnerability can lead to unauthorized read, write, and execution access to any file on the device. This compromises the confidentiality, integrity, and availability of the system, potentially allowing an attacker to manipulate critical files, disrupt system operations, or take full control of the device. [1]


What immediate steps should I take to mitigate this vulnerability?

The immediate step to mitigate this vulnerability is to update the affected devices to firmware version 2025.0.2 or later. Additionally, always use the latest PLCnext Engineer software to maintain security and protect against this and related vulnerabilities. [1]


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