CVE-2022-34746
moderate-risk
Published 2022-09-20
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.
Do I need to act?
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0.29% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
5
CVSS 5.9/10
Medium
NETWORK
/ HIGH complexity
Affected Products (10)
Gs1900-8 Firmware
Gs1900-8Hp Firmware
Gs1900-16 Firmware
Gs1900-24 Firmware
Gs1900-24E Firmware
Gs1900-24Ep Firmware
Gs1900-24Hpv2 Firmware
Gs1900-48 Firmware
Gs1900-48Hpv2 Firmware
Affected Vendors
35
/ 100
moderate-risk
Severity
18/34 · Moderate
Exploitability
1/34 · Minimal
Exposure
16/34 · Moderate