CVE-2022-34746

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.

Category

5.9
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.27%
Vendor Advisory zyxel.com
Affected: Zyxel Zyxel GS1900 series firmware
Published at:
Updated at:

References

Link Tags
https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-insufficient-entropy-vulnerability-of-gs1900-series-switches vendor advisory patch

Frequently Asked Questions

What is the severity of CVE-2022-34746?
CVE-2022-34746 has been scored as a medium severity vulnerability.
How to fix CVE-2022-34746?
To fix CVE-2022-34746, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2022-34746 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2022-34746 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2022-34746?
CVE-2022-34746 affects Zyxel Zyxel GS1900 series firmware.
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