CVE-2025-13293 PUBLISHED

Backdoor / default root credentials

Assigner: CyberDanube
Reserved: 17.11.2025 Published: 10.08.2026 Updated: 10.08.2026

A hard-coded or default root account credential in TBEA TLogger V2.1.0.0B0.0.0.0 allows an unauthenticated remote attacker to obtain root-level access to the device via the exposed SSH service. The root password can be recovered from the password hash stored in /etc/shadow and used to authenticate to the SSH service. Successful exploitation provides full administrative control of the affected device.

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	TBEA
Product	TBEA TLogger (TBEA Communication Box 3rd Generation)
Versions	Default: unaffected affected from 0 to V2.1.0.0B0.0.0.0 (incl.)

Credits

S. Eisenreich-Dietz (CyberDanube) finder
T. Weber (CyberDanube) finder
F. Koroknai finder
D. Blagojevic finder

References

https://en.tbea.com/about.html

Problem Types

CWE-798 CWE

Impacts

CAPEC-70 Try Common or Default Usernames and Passwords