Multiple vulnerabilities in Zyxel AX7501-B0

Published: 2023-01-17

Risk	Low
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2022-45439 CVE-2022-45440
CWE-ID	CWE-312 CWE-59
Exploitation vector	Local
Public exploit	N/A
Vulnerable software Subscribe	AX7501-B0 Hardware solutions / Firmware
Vendor

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Cleartext storage of sensitive information

EUVDB-ID: #VU71206

Risk: Low

CVSSv3.1: 4.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-45439

CWE-ID: CWE-312 - Cleartext Storage of Sensitive Information

Exploit availability: No

Description

The vulnerability allows a local user to gain access to potentially sensitive information.

The vulnerability exists due to a pair of spare WiFi credentials is stored in the configuration file in cleartext. A local user can use the credentials to access the WLAN service.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

AX7501-B0: before 5.17(ABPC.3)C0

External links

http://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

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Link following

EUVDB-ID: #VU71208