CVE-2025-7072

Severity CVSS v4.0:

CRITICAL

Type:

CWE-798 Use of Hard-coded Credentials

Publication date:

09/01/2026

Last modified:

13/01/2026

Description

The firmware in KAON CG3000TC and CG3000T routers contains hard-coded credentials in clear text (shared across all routers of this model) that an unauthenticated remote attacker could use to execute commands with root privileges.<br /> This vulnerability has been fixed in firmware version: 1.00.67 for CG3000TC and 1.00.27 for CG3000T.

Impact

Vector 4.0

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N CVSS v4.0 Severity and Metrics:

Base Score: 9.30 CRITICAL
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Attack Vector (AV): Network
Attack Complexity (AC): Low
Attack Requirements (AT): None
Privileges Required (PR): None
User Interaction (UI): None
Confidentiality (VC): High
Integrity (VI): High
Availability (VA): High
Confidentiality (SC): None
Integrity (SI): None
Availability (SA): None

Base Score 4.0

9.30

Severity 4.0

CRITICAL

References to Advisories, Solutions, and Tools

https://cert.pl/posts/2026/01/CVE-2025-7072/