What is CVE-2022-26531?

CVE-2022-26531 is a medium-severity vulnerability in Zyxel Atp100, classified under Improper Input Validation. CVSS score: 6.1/10. Published 2022-05-24.

How severe is CVE-2022-26531?

Medium severity. CVSS v3 base score is 6.1 out of 10.

Is CVE-2022-26531 known to be exploited?

4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Improper input validation in Zyxel Atp100

CVE-2022-26531

Multiple improper input validation flaws were identified in some CLI commands of Zyxel USG/ZyWALL series firmware versions 4.09 through 4.71, USG FLEX series firmware versions 4.50 through 5.21, ATP series firmware versions 4.32 through 5…

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.058 (92.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H.

Affected products

Weakness classification (CWE)

CWE-20 — Improper Input Validation

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2022-26531?: CVE-2022-26531 is a medium-severity vulnerability in Zyxel Atp100, classified under Improper Input Validation. CVSS score: 6.1/10. Published 2022-05-24.
How severe is CVE-2022-26531?: Medium severity. CVSS v3 base score is 6.1 out of 10.
Is CVE-2022-26531 known to be exploited?: 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.