CVE-2022-45440: 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…

medium4.4CVSS 3.1

AVLACLPRHUINSUCHINAN

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

2 ranges

Vendor	Product	Version range	Fixed in
zyxel	ax7501-b0_firmware	< V5.17(ABPC.3)C0	V5.17(ABPC.3)C0
zyxel	ax7501-b0_firmware	< 5.17\(abpc.3\)c0	5.17\(abpc.3\)c0

CVSS provenance

nvdv3.14.4MEDIUMCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N

vulncheck4.4MEDIUM