What is CVE-2019-15064?

CVE-2019-15064 is a critical-severity vulnerability in Hinet Gpon, classified under Missing Authentication for Critical Function. CVSS score: 9.8/10. Published 2019-10-17.

How severe is CVE-2019-15064?

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

Auth bypass in Hinet Gpon

CVE-2019-15064

HiNet GPON firmware version < I040GWR190731 allows an attacker login to device without any authentication.

Vulnerability class: Broken Authentication

Published 2019-10-17 · 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: 0.014 (71.7th percentile), scored 2026-10-07.

Low probability of exploitation in the next 30 days, but still tracked. 72nd percentile — 71.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.014 · newest: 0.014 · change: 0.000

Affected products

Hinet Gpon — versions firmware version < I040GWR190731
Hinet Gpon Firmware

Weakness classification (CWE)

CWE-306 — Missing Authentication for Critical Function

References

www.twcert.org.tw/en/cp-128-3015-170fe-2.html (Third Party Advisory)
tvn.twcert.org.tw/taiwanvn/TVN-201908007 (Third Party Advisory)

Frequently asked questions

What is CVE-2019-15064?: CVE-2019-15064 is a critical-severity vulnerability in Hinet Gpon, classified under Missing Authentication for Critical Function. CVSS score: 9.8/10. Published 2019-10-17.
How severe is CVE-2019-15064?: Critical severity. CVSS v3 base score is 9.8 out of 10.