CVEvulnerability

CVE-2022-45440

4.4 MEDIUM Published 2023-01-17 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2023-01-17
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
4.4 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
CVSS 3.1 ([email protected])
4.4 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
Weaknesses
CWE-59

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.

Affected configurations

• zyxel ax7501-b0 firmware (< 5.17\(abpc.3\)c0)

Related

Weakness · CWE (1)

  • CWE-59 Improper Link Resolution Before File Access weakness

References