ZDI-24-499: (Pwn2Own) TP-Link Omada ER605 PPTP VPN username Command Injection Remote Code Execution Vulnerability
First published: Thu May 23 2024(Updated: )
This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of TP-Link Omada ER605 routers. Authentication is not required to exploit this vulnerability. However, devices are only vulnerable if configured to use a PPTP VPN with LDAP authentication. The specific flaw exists within the handling of the username parameter provided to the /usr/bin/pppd endpoint. The issue results from the lack of proper validation of a user-supplied string before using it to execute a system call. An attacker can leverage this vulnerability to execute 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-24-499?
The severity of ZDI-24-499 is classified as high due to the potential for arbitrary code execution by network-adjacent attackers.
How do I fix ZDI-24-499?
To fix ZDI-24-499, update the firmware of the TP-Link Omada ER605 router to the latest version provided by TP-Link.
What type of attack can exploit ZDI-24-499?
ZDI-24-499 can be exploited by network-adjacent attackers to execute arbitrary code without requiring authentication.
What configurations make devices vulnerable to ZDI-24-499?
Devices are vulnerable to ZDI-24-499 if they are configured to use a PPTP VPN with LDAP authentication.
Which product is affected by ZDI-24-499?
The affected product for ZDI-24-499 is the TP-Link Omada ER605 router.
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