Link following in AX7501-B0 - CVE-2022-45440

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Main Vulnerability Database Vulnerabilities #VU71208

Link following in AX7501-B0 - CVE-2022-45440

Published: January 17, 2023


Vulnerability identifier: #VU71208
CSH Severity: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2022-45440
CWE-ID: CWE-59
Exploitation vector: Local access
Exploit availability: No public exploit available
Vulnerable software:
AX7501-B0
Software vendor:
ZyXEL Communications Corp.

Description

The vulnerability allows a local user to compromise the target system.

The vulnerability exists due to the FTP server processes symbolic links on external storage media. A local administrator can create a symbolic link on external storage media and access the root file system.


Remediation

Install updates from vendor's website.

External links