Vulnerability Monitor

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CVE-2022-45440

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.

Published

2023-01-17T02:15:09.517

Last Modified

2024-11-21T07:29:15.870

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 4.4 (MEDIUM)

Weaknesses

Type: Secondary
CWE-552
Type: Primary
CWE-59

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	zyxel	ax7501-b0_firmware	< 5.17\(abpc.3\)c0	Yes
Hardware	zyxel	ax7501-b0	-	No

References

https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-cleartext-storage-of-wifi-credentials-and-improper-symbolic-links-of-ftp-for-ax7501-b0-cpe Vendor Advisory ([email protected])
https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-cleartext-storage-of-wifi-credentials-and-improper-symbolic-links-of-ftp-for-ax7501-b0-cpe Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)