CVE-2018-25125

HIGH

Netis ADSL Router DL4322D RTK 2.1.1 - DoS

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2018-25125. PoCs published by cakes.

AI-analyzed exploit summary This exploit demonstrates a Denial of Service (DoS) vulnerability in the Netis ADSL Router DL4322D RTK 2.1.1 by sending an FTP command with a 1461-character offset, causing the router to crash. It requires authentication with default credentials (guest/guest).

Description

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.

Exploits (1)

exploitdb WORKING POC VERIFIED
by cakes · pythondoshardware
https://www.exploit-db.com/exploits/45424

This exploit demonstrates a Denial of Service (DoS) vulnerability in the Netis ADSL Router DL4322D RTK 2.1.1 by sending an FTP command with a 1461-character offset, causing the router to crash. It requires authentication with default credentials (guest/guest).

Classification
Working Poc 90%
Attack Type
Dos
Complexity
Trivial
Reliability
Reliable
Target: Netis ADSL Router DL4322D RTK 2.1.1
Auth required
Prerequisites: Network access to the router · Default or known FTP credentials
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (4)

Core 4

Scores

CVSS v4 8.7
EPSS 0.0043
EPSS Percentile 33.8%
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact partial

Details

CWE
CWE-120
Status published
Products (1)
Netis Systems Co., Ltd./DL4322D < RTK 2.1.1
Published Nov 14, 2025
Tracked Since Feb 18, 2026