CVE-2022-34746
Published: 20 September 2022
Summary
CVE-2022-34746 is a medium-severity Insufficient Entropy (CWE-331) vulnerability in Zyxel Gs1900-8 Firmware. Its CVSS base score is 5.9 (Medium).
Operationally, ranked in the top 47.6% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2022-37695
Vulnerability details
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…
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a private key by factoring the RSA modulus N in the certificate of the web administration interface.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
Mitigating Controls
Likely Mitigating Controls AI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.
Approved key-establishment methods mandate sufficient entropy during key generation, eliminating entropy-starved keys.