ZDI-CAN-11786: Advantech BB-ESWGP506-2SFP-T Use of Hard-coded Credentials Remote Code Execution Vulnerability

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Advantech BB-ESWGP506-2SFP-T industrial switches. Authentication is not required to exploit this vulnerability. The specific flaw exists within the telnet service, which listens on TCP port 23 by default. The service contains a hard-coded password for the administrator user account. An attacker can leverage this vulnerability to execute code in the context of the administrator user.

Affected Software

1 affected component
Advantech BB-ESWGP506-2SFP-T

Event History

Mar 26, 2025
Advisory Published
via ZDI·04:39 PM
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Frequently Asked Questions

1

What is the severity of ZDI-CAN-11786?

ZDI-CAN-11786 is considered critical due to the potential for remote code execution without authentication.

2

How do I fix ZDI-CAN-11786?

To fix ZDI-CAN-11786, update the Advantech BB-ESWGP506-2SFP-T industrial switches to the latest firmware provided by Advantech.

3

What type of vulnerability is ZDI-CAN-11786?

ZDI-CAN-11786 is a remote code execution vulnerability that affects the telnet service on the device.

4

Can ZDI-CAN-11786 be exploited remotely?

Yes, ZDI-CAN-11786 can be exploited remotely since it does not require authentication.

5

What devices are affected by ZDI-CAN-11786?

The Advantech BB-ESWGP506-2SFP-T industrial switches are affected by the ZDI-CAN-11786 vulnerability.

Contact

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