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 | Affected Version | How to fix |
|---|---|---|
| Advantech BB-ESWGP506-2SFP-T Firmware |
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Reference Links
Frequently Asked Questions
What is the severity of ZDI-CAN-11786?
ZDI-CAN-11786 is considered critical due to the potential for remote code execution without authentication.
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.
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.
Can ZDI-CAN-11786 be exploited remotely?
Yes, ZDI-CAN-11786 can be exploited remotely since it does not require authentication.
What devices are affected by ZDI-CAN-11786?
The Advantech BB-ESWGP506-2SFP-T industrial switches are affected by the ZDI-CAN-11786 vulnerability.
- agent/references
- agent/softwarecombine
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- agent/event
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- collector/zdi-advisory
- source/ZDI
- alias/ZDI-21-593
- alias/ZDI-CAN-11786
- alias/CVE-2021-22667
- agent/software-canonical-lookup
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- vendor/advantech
- canonical/advantech bb-eswgp506-2sfp-t firmware