CVE-2018-25125

Netis DL4322D RTK 2.1.1 FTP Service DoS

CVSS 8.7 HIGHEPSS 0.4%CWE-120

Vexday Risk Score

21Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 8.7EPSS 0.4%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

14 Nov 2025Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

Netis ADSL Router DL4322D firmware RTK 2.1.1 contains a buffer overflow vulnerability in the embedded FTP service that allows an authenticated remote user to trigger a denial of service. After logging in to the FTP service, sending an FTP command such as ABOR with an excessively long argument causes the service, and in practice the router, to crash or become unresponsive, resulting in a loss of availability for the device and connected users.

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

Affected products

Netis Systems Co., Ltd. · DL4322D

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References

https://web.archive.org/web/20180731191918/http://www.netis-systems.com/Home/detail/id/74.html https://www.exploit-db.com/exploits/45424 https://www.netis-systems.com/https://www.vulncheck.com/advisories/netis-dl4322d-ftp-service-dos