What is CVE-2023-41351?

CVE-2023-41351 is a critical-severity vulnerability in Chunghwa Telecom Nokia G-040w-Q, classified under Authentication Bypass Using an Alternate Path or Channel. CVSS score: 9.8/10. Published 2023-11-03.

How severe is CVE-2023-41351?

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

Auth bypass in Chunghwa Telecom Nokia G-040w-Q

CVE-2023-41351

Chunghwa Telecom NOKIA G-040W-Q has a vulnerability of authentication bypass, which allows an unauthenticated remote attacker to bypass the authentication mechanism to log in to the device by an alternative URL. This makes it possible for unauthenticated remote attackers to log in as any existing users, such as an administrator, to perform arbitrary system operations or disrupt service.

Published 2023-11-03 · last modified 2026-06-17.

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.

EPSS exploit prediction

EPSS: 0.008 (54.1th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 54th percentile — 54.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000

Affected products

Chunghwa Telecom Nokia G-040w-Q — versions G040WQR201207
Nokia G-040w-Q
Nokia G-040w-Q Firmware — versions g040wqr201207

Weakness classification (CWE)

References

www.twcert.org.tw/tw/cp-132-7501-6155a-1.html (Third Party Advisory)

Frequently asked questions

What is CVE-2023-41351?: CVE-2023-41351 is a critical-severity vulnerability in Chunghwa Telecom Nokia G-040w-Q, classified under Authentication Bypass Using an Alternate Path or Channel. CVSS score: 9.8/10. Published 2023-11-03.
How severe is CVE-2023-41351?: Critical severity. CVSS v3 base score is 9.8 out of 10.