What is CVE-2022-40602?

CVE-2022-40602 is a critical-severity vulnerability in Zyxel Lte3301-M209, classified under Improper Authentication. CVSS score: 9.8/10. Published 2022-11-22.

How severe is CVE-2022-40602?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Auth bypass in Zyxel Lte3301-M209

CVE-2022-40602

A flaw in the Zyxel LTE3301-M209 firmware verisons prior to V1.00(ABLG.6)C0 could allow a remote attacker to access the device using an improper pre-configured password if the remote administration feature has been enabled by an authenticated administrator.

Vulnerability class: Broken Authentication

EPSS: 0.010 (59.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Zyxel Lte3301-m209 — versions < V1.00(ABLG.6)C0
Zyxel Lte3301-m209_firmware

Weakness classification (CWE)

References

security@zyxel.com.tw (Patch, Vendor Advisory)

Frequently asked questions

What is CVE-2022-40602?: CVE-2022-40602 is a critical-severity vulnerability in Zyxel Lte3301-M209, classified under Improper Authentication. CVSS score: 9.8/10. Published 2022-11-22.
How severe is CVE-2022-40602?: Critical severity. CVSS v3 base score is 9.8 out of 10.