CVE-2025-54962 File upload in OpenPLC v3
Authenticated users can upload arbitrary files to the OpenPLC Runtime webserver, potentially leading to code execution or data modification.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-54962?
CVE-2025-54962 is a medium-severity vulnerability in thiagoralves OpenPLC_v3, published on 4 Aug 2025. Any signed-in user can exploit it over the network, with no action from the victim.
Official 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.
Weakness: CWE-434
Which versions are affected by CVE-2025-54962?
How do I fix CVE-2025-54962?
No fix has been published for CVE-2025-54962 yet. Limit exposure of the affected software until one is available.
Is CVE-2025-54962 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-54962 exists.
Public exploit code: 1 proofs of concept on GitHub.
Sources
Also known as GHSA-5xhx-49mv-9j7j.