CVE-2022-34746 - CVE House
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Status published Medium CVE-2022-34746

An insufficient entropy vulnerability caused by the improper use of...

Vulnerability Description

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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

References

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Affected Vendor

Affected Software

Zyxel GS1900 series firmware
Vulnerable Versions:
< V2.70

Timeline

Official Publish: September 20th, 2022
Last Modified: May 29th, 2025
Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

Weaknesses (CWE)

CWE-331

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.