CVE-2024-5244
MEDIUMDescription
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.
How to fix
No published remediation has been found for this vulnerability's affected products yet.
Mitigation guidance may be in the linked vendor advisories in the References section below.
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CVSS v3 Vector
Exploitability
Impact
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
Exploit Intelligence
Low risk: more likely to be exploited than 27% of all known CVEs.
References
Related Vulnerabilities
Other CWE-656 vulnerabilities, ordered by exploit likelihood. View all
| CVE | Severity | CVSS | EPSS | Exploited | Fix |
|---|---|---|---|---|---|
| CVE-2020-10284 | Critical | 9.1 | 1.4% | - | - |
| CVE-2024-9138 | High | 7.2 | 1.1% | - | - |
| CVE-2024-12297 | Unscored | - | 0.8% | - | - |
| CVE-2020-10286 | High | 8.8 | 0.7% | - | - |
| CVE-2020-10277 | Medium | 6.4 | 0.4% | - | - |
| CVE-2025-25983 | Low | 3.4 | 0.3% | - | - |
Common questions
How do I fix CVE-2024-5244?
No published fix for CVE-2024-5244 has been found yet. Check the linked vendor advisories for guidance as it becomes available.
Is CVE-2024-5244 being actively exploited?
Not that we know of. CVE-2024-5244 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 0.34% is the estimated probability that it will be exploited in the next 30 days. That is higher than 27% of all scored CVEs.
How severe is CVE-2024-5244?
CVE-2024-5244 has a CVSS v3 base score of 4.2, rated medium. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.
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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-08-06.