CVE-2025-7635
Calix GigaCenter ONT - Unauthenticated Telnet
- State
- Published
- Severity
- 8.7 High
- Published
- Sep 9, 2025
- Updated
- Sep 12, 2025
- Reserved
- Jul 14, 2025
Description
Unauthenticated Telnet access vulnerability in Calix GigaCenter ONT allows root access.This issue affects GigaCenter ONT: 844E, 844G, 844GE, 854GE.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 8.7 High | 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 | Fluid Attacks |
Weaknesses
- CWE-306 Missing Authentication for Critical Function
Affected Products
| Product | Versions |
|---|---|
GigaCenter ONTCalix |
|
References
- https://fluidattacks.com/advisories/salthird-party-advisory
- https://www.calix.com/productrelated
- https://revers3everything.com/calix-case-five-0-days-five-cves/third-party-advisory
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