CVE-2025-7635CWE-306

Calix GigaCenter ONT - Unauthenticated Telnet

High · published September 9, 2025

CVSS v4.0
8.7
EPSS
0%
Percentile
27.9
In the wild
Unconfirmed
What it is

Unauthenticated Telnet access vulnerability in Calix GigaCenter ONT allows root access.This issue affects GigaCenter ONT: 844E, 844G, 844GE, 854GE.

The record
Technical detail
CVSS v4.0
8.7 · HIGH
Vector
CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
EPSS
0.00354 · 27.9th percentile
Weakness
CWE-306 · Missing Authentication for Critical Function
Published
2025-09-09T20:08Z
EPSS history
Timeline
  • 09 SEP 20:08Z
    Calix GigaCenter ONT - Unauthenticated Telnet
    cvelistv5