What is the CVSS score of CVE-2025-54962?

CVE-2025-54962 has a CVSS 3.1 base score of 6.4 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N. EPSS exploitation probability: 0.0%.

Which versions of OpenPLC Runtime are affected by CVE-2025-54962?

Organizations using webserver in OpenPLC Runtime 3 should be aware of moderate risk from CVE-2025-54962, a unrestricted file upload vulnerability rated CVSS 6.4.

How to fix or mitigate CVE-2025-54962?

Within 30 days: Identify affected systems running webserver in OpenPLC Runtime 3 and apply vendor patches as part of regular patch cycle. Review file handling controls.

OpenPLC Runtime CVE-2025-54962

MEDIUM

Unrestricted Upload of File with Dangerous Type (CWE-434)

2025-08-04 cve@mitre.org

File Upload

6.4

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

6.4 MEDIUM

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

Lifecycle Timeline

Analysis Generated

Mar 28, 2026 - 19:05 vuln.today

CVE Published

Aug 04, 2025 - 02:15 nvd

MEDIUM 6.4

DescriptionCVE.org

AnalysisAI

/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. Rated medium severity (CVSS 6.4), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified as Unrestricted File Upload (CWE-434), which allows attackers to upload malicious files that can be executed on the server. /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. Version information: through 9.

Affected ProductsAI

OpenPLC Runtime 3.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Validate file types server-side, store uploads outside webroot, use random filenames, scan for malware.