Improper access control in Zyxel LTE3301-M209

1) Improper access control

EUVDB-ID: #VU69475

Risk: High

CVSSv3.1: 8.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-40602

CWE-ID: CWE-284 - Improper Access Control

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to a pre-configured password issue. A remote attacker can use an improper pre-configured password and access the target device

Mitigation

Install updates from vendor's website.

Vulnerable software versions

LTE3301-M209: 1.00(ABLG.4)C0

External links

http://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-pre-configured-password-vulnerability-of-lte3301-m209

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

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