CVE-2025-54962: File Upload RCE (CVSS 6.4)

Description

/edit-user in webserver in OpenPLC Runtime 3 through 9cd8f1b allows authenticated users to upload arbitrary files (such as .html or .svg), and these are then publicly accessible under the /static URI.

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CVSS v3.1 Score

6.4

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

Weakness Type (CWE)

CWE-434 Unrestricted Upload

References

Other References

https://github.com/Eyodav/OpenPLC-Insecure-File-Upload https://github.com/thiagoralves/OpenPLC_v3/blob/9cd8f1b53a50f9d38708096bfc72bcbb1ef47343/webserver/pages.py#L992

Frequently Asked Questions

What is CVE-2025-54962? +

/edit-user in webserver in OpenPLC Runtime 3 through 9cd8f1b allows authenticated users to upload arbitrary files (such as .html or .svg), and these are then publicly accessible under the /static URI. It has a CVSS v3.1 base score of 6.4 (MEDIUM).

How severe is CVE-2025-54962? +

CVE-2025-54962 has a CVSS v3.1 score of 6.4 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

How do I check if I'm vulnerable to CVE-2025-54962? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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