CVE-2022-45440

Katalog CVE

CVSS 4.4 · Medium EPSS 0,25%

Kerentanan Improper Link Resolution Before File Access ('Link Following') pada zyxel ax7501-b0 firmware. Skor CVSS 3.1 4.4 (Medium) menurut NVD.

Deskripsi (NVD)

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.

Rincian

Terbit di NVD

17 Januari 2023

Terakhir diubah

17 Juni 2026

Status NVD

Modified

CVSS 3.1

4.4 (Medium), sumber NVD
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N · uraikan di kalkulator

Jenis kelemahan (CWE)

CWE-59: Improper Link Resolution Before File Access ('Link Following')

EPSS (30 hari)

0,25% peluang dieksploitasi; lebih tinggi dari 14,9% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-cleartext-storage-of-w... advisory vendor