Jan. 17, 2023, 2:15 a.m. |

National Vulnerability Database web.nvd.nist.gov

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.

abuse access cve device drive external file file system firmware flash flash drive ftp link links local logging media privileges processes root server storage system usb vulnerability vulnerable zyxel

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