CVE-2025-7635

7.7 HIGH
Published: September 09, 2025 Modified: December 22, 2025
View on NVD

Description

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

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
https://fluidattacks.com/advisories/sal
Source: help@fluidattacks.com
Exploit Mitigation Third Party Advisory
https://revers3everything.com/calix-case-five-0-days-five-cves/
Source: help@fluidattacks.com
Third Party Advisory
https://www.calix.com
Source: help@fluidattacks.com
Product
https://fluidattacks.com/advisories/sal
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
Exploit Mitigation Third Party Advisory

4 reference(s) from NVD

Quick Stats

CVSS v3 Score
7.7 / 10.0
EPSS (Exploit Probability)
0.0%
4th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

CWE-306

Affected Vendors

calix

Related CVEs

CVE-2025-69261 N/A
CVE-2025-69257 6.7
CVE-2025-69210 N/A
CVE-2025-66823 N/A
CVE-2025-50343 N/A