cvedb.io
CVE-2022-45440
MEDIUM · CVSS 4.4
EPSS exploitation probability: 0%
Published 2023-01-17T02:15:09.517 · Last modified 2026-06-17T05:10:09.223

Summary

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

zyxel — ax7501-b0_firmware

Does this affect you?

Add your gear to cvedb and we'll alert you only when zyxel ships something exploited.

Check my exposure →

References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.