HiNet GPON firmware version < I040GWR190731 allows an attacker login to device without any authentication.
https://www.twcert.org.tw/en/cp-128-3015-170fe-2.html
https://tvn.twcert.org.tw/taiwanvn/TVN-201908007
Source: Mitre, NVD
Published: 2019-10-17
Updated: 2026-06-17
Base Score: 7.5
Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P
Severity: High
Base Score: 9.8
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Severity: Critical
EPSS: 0.00404