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VulnerabilityPublished Updated

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

Affects TP-Link Omada ER605Source CVE Database V5

0

Not known to be exploited · CVSS 5.0 Medium.

Data as of 26 Oct 2026, 10:12 UTC

CVSS 3.0 base score
5.0Medium
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.3% chance of exploitation in 30 days – higher than 31% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.0/AV:A/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 23 May 2024

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.

What to do

AI-suggested

  1. Disable the Comexe DDNS service on TP-Link Omada ER605 routers if it is not essential to your network operations to eliminate exposure.
  2. Monitor network traffic for unusual DDNS message patterns or spoofing attempts, particularly on devices configured with Comexe DDNS.
  3. Restrict network adjacency by segmenting management interfaces and limiting access to trusted hosts only, reducing the attack surface.
  4. Implement strict firewall rules to control inbound and outbound DDNS-related traffic.
  5. Regularly check for firmware updates from TP-Link addressing this vulnerability and apply patches promptly once available.
  6. Employ network intrusion detection systems (NIDS) tuned to detect anomalies in DDNS communications.
  7. Conduct thorough security assessments of network devices to identify and remediate chained vulnerabilities that could be exploited alongside CVE-2024-5244.
  8. Educate network administrators about the risks of relying on security through obscurity and encourage best practices in device configuration and network segmentation.

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.

References

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