Vulnerability Details 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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.0
EPSS Ranking 3.8%
CVSS Severity
CVSS v3 Score 4.4
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
- 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
Products affected by CVE-2022-45440
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cpe:2.3:h:zyxel:ax7501-b0:-
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cpe:2.3:o:zyxel:ax7501-b0_firmware:-
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cpe:2.3:o:zyxel:ax7501-b0_firmware:5.17(abpc.1)c0