Vulnerability · Published May 23, 2024 · Assigned by zdi

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

Medium 5.0

In plain English

A medium-severity security flaw in Omada ER605 from TP-Link. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 32% of all known vulnerabilities).

Severity (CVSS 3.0)5.0Medium

Exploit odds (30 days)0.4%top 67.9% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

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.

Affected products (as reported)

Vendor	Product	Versions
TP-Link	Omada ER605	2.6_2.2.2 Build 20231017

Weakness: CWE-656 · Vector: CVSS:3.0/AV:A/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L

References

ZDI-24-503 x_research-advisory