How do I fix ZDI-CAN-22439?

To fix ZDI-CAN-22439, update the firmware of TP-Link Omada ER605 routers to the latest version provided by the vendor.

Who is affected by ZDI-CAN-22439?

Devices affected by ZDI-CAN-22439 are limited to TP-Link Omada ER605 routers that are configured to use the Comexe DDNS service.

Can ZDI-CAN-22439 be exploited remotely?

ZDI-CAN-22439 cannot be exploited remotely as it requires attackers to be on the same network as the affected devices.

Is authentication required to exploit ZDI-CAN-22439?

No, authentication is not required to exploit ZDI-CAN-22439, making it particularly dangerous for exposed devices.

Vulnerability/
ZDI-CAN-22439

medium

23/5/2024

ZDI-CAN-22439: ZDI-24-503: (Pwn2Own) TP-Link Omada ER605 Reliance on Security Through Obscurity Vulnerability

First published: Thu May 23 2024(Updated: )

This vulnerability allows network-adjacent attackers to access or spoof DDNS messages on affected installations of TP-Link Omada ER605 routers. Authentication is not required to exploit this vulnerability. However, devices are vulnerable only if configured to use the Comexe DDNS service. The specific flaw exists within the cmxddnsd executable. The issue results from reliance on obscurity to secure network data. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of root.

Affected Software	Affected Version	How to fix
TP-Link Omada ER605

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Reference Links

Frequently Asked Questions

What is the severity of ZDI-CAN-22439?
The severity of ZDI-CAN-22439 is high, as it allows network-adjacent attackers to access or spoof DDNS messages without authentication on affected devices.
How do I fix ZDI-CAN-22439?
To fix ZDI-CAN-22439, update the firmware of TP-Link Omada ER605 routers to the latest version provided by the vendor.
Who is affected by ZDI-CAN-22439?
Devices affected by ZDI-CAN-22439 are limited to TP-Link Omada ER605 routers that are configured to use the Comexe DDNS service.
Can ZDI-CAN-22439 be exploited remotely?
ZDI-CAN-22439 cannot be exploited remotely as it requires attackers to be on the same network as the affected devices.
Is authentication required to exploit ZDI-CAN-22439?
No, authentication is not required to exploit ZDI-CAN-22439, making it particularly dangerous for exposed devices.

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source/ZDI
alias/ZDI-CAN-22439
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agent/last-modified-date
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collector/zdi-advisory
alias/ZDI-24-503
alias/CVE-2024-5244
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agent/severity
agent/references
agent/softwarecombine
agent/description
agent/event
agent/trending
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vendor/tp-link
canonical/tp-link omada er605

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