Link following in AX7501-B0 - CVE-2022-45440
Published: January 17, 2023
Vulnerability identifier: #VU71208
CSH Severity: Low
CVSS v4.0: 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
Vendor: ZyXEL Communications Corp.
Affected software:
AX7501-B0
AX7501-B0
Detailed vulnerability 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.
How to mitigate CVE-2022-45440
Install updates from vendor's website.