Command Injection Vulnerability in D-Link NAS Devices
CVE-2026-16448

5.3MEDIUM

Key Information:

Vendor

D-link
Status
Dns-120
Dnr-202l
Dns-315l
Dns-320
Vendor
CVE Published:
21 July 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-16448?

A command injection vulnerability exists in D-Link NAS devices, including models such as DNS-120 and DNS-320. The flaw arises in the 'cgi_check_rsync_rw' function within the 'remote_backup.cgi' file. By manipulating the 'ip' argument, an attacker can execute arbitrary commands remotely. This vulnerability has been publicly reported and warrants immediate attention from users and administrators of the affected models.

Affected Version(s)

DNR-202L 20260205

DNR-322L 20260205

DNR-326 20260205

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-16448 - Proof of Concept

References

https://vuldb.com/vuln/380827
vdb-entrytechnical-description
https://vuldb.com/vuln/380827/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-16448
third-party-advisory

CVSS V4

Score:
5.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

red88-debug (VulDB User)
.