CVE-2026-27552: Unauthorized IODD File Upload due to Improper Authorization
Published Sep 16, 2026
·Updated
A low-privileged remote attacker can exploit improper authorization in the /index.php/attacheddevicestab/doupload endpoint to upload IODD files to the device, potentially altering device behavior or causing system crashes.
Event History
Sep 16, 2026
CVE Published
via MITRE·07:49 AM
Data Sourced
via MITRE·07:49 AM
DescriptionSeverityWeakness
Frequently Asked Questions
1
What level of access does an attacker need?
An attacker needs low-privileged remote access to the affected device. No user interaction is required.
2
What can an attacker do after exploitation?
The attacker can upload IODD files through the affected endpoint. This may alter device behavior or cause system crashes.
3
Is this exploitable over the network?
Yes. The vulnerability has network attack vector (AV:N), and the affected upload endpoint is remotely reachable to an attacker with low privileges.