CVE-2024-5244 TP-Link Omada ER605 Reliance on Security Through Obscurity Vulnerability

What is CVE-2024-5244?

CVE-2024-5244 is a medium-severity vulnerability in TP-Link Omada ER605, published on 23 May 2024. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

TP-Link Omada ER605 Reliance on Security Through Obscurity Vulnerability. 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. Was ZDI-CAN-22439.

Weakness: CWE-656

Which versions are affected by CVE-2024-5244?

It affects 1 product.

Products include Tp-Link Omada Er605 Firmware.

How do I fix CVE-2024-5244?

No fix has been published for CVE-2024-5244 yet. Limit exposure of the affected software until one is available.

Is CVE-2024-5244 being exploited?

There is no known exploitation of CVE-2024-5244 in the wild and no public exploit code.

Other vulnerabilities in TP-Link Omada ER605

• CVE-2024-25139 Integer overflow in n/a Critical 10.0
• CVE-2024-5227 TP-Link Omada ER605 PPTP VPN username Command Injection Remote Code Execution Vulnerability High 7.5
• CVE-2024-5228 TP-Link Omada ER605 Comexe DDNS Response Handling Heap-based Buffer Overflow Remote Code Execution Vulnerability High 7.5
• CVE-2024-5242 TP-Link Omada ER605 Stack-based Buffer Overflow Remote Code Execution Vulnerability High 7.5
• CVE-2024-5243 TP-Link Omada ER605 Buffer Overflow Remote Code Execution Vulnerability High 7.5

Sources

• CVE record
• NVD
• OSV
• How this page is made