Zyxel · Zyxel Atp Series · CVE-2023-30253
**Name of the Vulnerable Software and Affected Versions**
Dolibarr versions prior to 17.0.1
Zyxel ATP Series, USG FLEX Series, USG FLEX 50(W) Series, and USG20(W)-VPN Series (affected versions not specified)
**Description**
The issue allows remote code execution by an authenticated user via an uppercase manipulation in injected data, such as using `<?PHP` instead of `<?php`. This can be exploited in certain Zyxel products, including the ATP Series, USG FLEX Series, USG FLEX 50(W) Series, and USG20(W)-VPN Series, although specific details about the exploitation in these products are not provided.
**Recommendations**
For Dolibarr versions prior to 17.0.1, update to version 17.0.1 or later to resolve the issue.
For Zyxel ATP Series, USG FLEX Series, USG FLEX 50(W) Series, and USG20(W)-VPN Series, at the moment, there is no information about a newer version that contains a fix for this vulnerability.