CVE-2025-7635

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

CVSS v3 7.7 HIGH

7.7^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.5 / Impact : 5.2

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://fluidattacks.com/advisories/sal	Exploit Mitigation Third Party Advisory
https://revers3everything.com/calix-case-five-0-days-five-cves/	Third Party Advisory
https://www.calix.com	Product
https://fluidattacks.com/advisories/sal	Exploit Mitigation Third Party Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:calix:calix_gigacenter_ont::::::::
	cpe:2.3:a:calix:calix_gigacenter_ont:844e:::::::*
	cpe:2.3:a:calix:calix_gigacenter_ont:844g:::::::*
	cpe:2.3:a:calix:calix_gigacenter_ont:844ge:::::::*
	cpe:2.3:a:calix:calix_gigacenter_ont:854ge:::::::*

History

No history.

Information

Published : 2025-09-09 20:15

Updated : 2025-12-22 20:01

NVD link : CVE-2025-7635

Mitre link : CVE-2025-7635

CVE.ORG link : CVE-2025-7635

JSON object : View

Products Affected

calix

calix_gigacenter_ont

CWE

CWE-306

Missing Authentication for Critical Function

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