CVE-2022-45440EPSS p15.9%

CVE-2022-45440CVE-2022-45440

zyxel / ax7501-b0_firmware

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.

Scoring

CVSS 4.4 ()
VectorCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
EPSS0.25% probability of exploitation · percentile 15.9% · 2026-06-19T12:03:05Z
Last modified2026-06-17
Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.