CVE-2022-43393

Description

An improper check for unusual or exceptional conditions in the HTTP request processing function of Zyxel GS1920-24v2 firmware prior to V4.70(ABMH.8)C0, which could allow an unauthenticated attacker to corrupt the contents of the memory and result in a denial-of-service (DoS) condition on a vulnerable device.

Category

8.2
CVSS
Severity: High
CVSS 3.1 •
EPSS 0.27%
Vendor Advisory zyxel.com
Affected: Zyxel GS1920-24v2 firmware
Published at:
Updated at:

References

Link Tags
https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-dos-vulnerability-of-switches vendor advisory

Frequently Asked Questions

What is the severity of CVE-2022-43393?
CVE-2022-43393 has been scored as a high severity vulnerability.
How to fix CVE-2022-43393?
To fix CVE-2022-43393, 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-2022-43393 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2022-43393 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-2022-43393?
CVE-2022-43393 affects Zyxel GS1920-24v2 firmware.
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