CVE-2025-7072 PUBLISHED

Hardcoded credentials in KAON CG3000T/CG3000CT routers

Assigner: CERT-PL
Reserved: 04.07.2025 Published: 09.01.2026 Updated: 09.01.2026

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. This vulnerability has been fixed in firmware version: 1.00.67 for CG3000TC and 1.00.27 for CG3000T.

Metrics

CVSS 4.0

CVSS 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
CVSS Score: 9.3

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	High	Confidentiality	None
Attack Complexity	Low	Integrity	High	Integrity	None
Attack Requirements	None	Availability	High	Availability	None
Privileges Required	None
User Interaction	None

CVSS 4.0

Product Status

Vendor	KAON
Product	CG3000T
Versions	Default: unaffected affected from 0 to 1.00.27 (excl.)

Vendor	KAON
Product	CG3000TC
Versions	Default: unaffected affected from 0 to 1.00.67 (excl.)

Credits

Piotr Ługowski finder

References

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

Problem Types

CWE-798 Use of Hard-coded Credentials CWE

Impacts

CAPEC-88 OS Command Injection