CVE-2022-34746 MEDIUM

CVE-2022-34746

Vendor Zyxel
Product Zyxel GS1900 series firmware
Weakness CWE-331
Published September 20, 2022
Last update May 29, 2025

CVSS base score

5.9/10
Attack vector Network
Attack complexity High
Privileges required None
User interaction None
Confidentiality High
Integrity None

CVSS vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

What the vulnerability does

01Description

An insufficient entropy vulnerability caused by the improper use of randomness sources with low entropy for RSA key pair generation was found in Zyxel GS1900 series firmware versions prior to V2.70. This vulnerability could allow an unauthenticated attacker to retrieve a private key by factoring the RSA modulus N in the certificate of the web administration interface.

Key dates

02Disclosure timeline

September 20, 2022 CVE published
May 29, 2025 Record updated