Description
A vulnerability exists in the FTP server of the Zyxel AX7501-B0 firmware prior to V5.17(ABPC.3)C0, which processes symbolic links on external storage media. A local authenticated attacker with administrator privileges could abuse this vulnerability to access the root file system by creating a symbolic link on external storage media, such as a USB flash drive, and then logging into the FTP server on a vulnerable device.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Zyxel | AX7501-B0 firmware | < V5.17(ABPC.3)C0 | — |
Advisories 1
- WID-SEC-2023-1091 Zyxel Firewall Produkte: Mehrere Schwachstellen BSI CERT-Bund (WID) · Apr 27, 2023