What is CVE-2022-43393?

CVE-2022-43393 is a high-severity vulnerability in Zyxel Gs1350-12hp, classified under Improper Check for Unusual or Exceptional Conditions. CVSS score: 8.2/10. Published 2023-01-11.

How severe is CVE-2022-43393?

High severity. CVSS v3 base score is 8.2 out of 10.

Vulnerability in Zyxel Gs1350-12hp

CVE-2022-43393

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.

EPSS: 0.006 (43.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H.

Affected products

Weakness classification (CWE)

CWE-754 — Improper Check for Unusual or Exceptional Conditions

References

security@zyxel.com.tw (Vendor Advisory)

Frequently asked questions

What is CVE-2022-43393?: CVE-2022-43393 is a high-severity vulnerability in Zyxel Gs1350-12hp, classified under Improper Check for Unusual or Exceptional Conditions. CVSS score: 8.2/10. Published 2023-01-11.
How severe is CVE-2022-43393?: High severity. CVSS v3 base score is 8.2 out of 10.