VULNERABILITY INTELLIGENCE

CVE-2022-34746

CVSS score5.9 MEDIUM
EPSS probability0.38%
CISA KEVNot currently listed
Published2022-09-20
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

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.

Weakness classification

  • security@zyxel.com.tw: CWE-331
  • nvd@nist.gov: CWE-331

Primary references