CVE-2022-45440

Published Jan 17, 2023

Last updated a year ago

Overview

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.
Source
security@zyxel.com.tw
NVD status
Analyzed

Risk scores

CVSS 3.1

Type
Primary
Base score
4.4
Impact score
3.6
Exploitability score
0.8
Vector string
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
Severity
MEDIUM

Weaknesses

nvd@nist.gov
CWE-59
security@zyxel.com.tw
CWE-552

Social media

Hype score
Not currently trending

Configurations