Missing Access Control in the Free Time component of several Zyxel UAG, USG, and ZyWall devices allows a remote attacker to generate guest accounts by directly accessing the account generator. This can lead to unauthorised network access or Denial of Service.
The web application does not adequately enforce appropriate authorization on all restricted URLs, scripts, or files.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Uag2100_firmware | Zyxel | * | 4.18(aaiz.1)c0 (including) |