CVE-2018-25125
High
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.
SeverityHigh
CVSS8.7
Exploit probability—
ProductDL4322D
PublishedNov 14, 2025
First seenNov 14, 2025
Weakness typeCWE-120CWE-120
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Netis Systems Co., Ltd. DL4322D | v ≤ RTK 2.1.1 | — |
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