Command Injection Vulnerability in D-Link NAS Devices
CVE-2026-4210

5.3MEDIUM

Key Information:

Vendor

D-link

Vendor
CVE Published:
16 March 2026

Badges

๐Ÿ‘พ Exploit Exists๐ŸŸก Public PoC

What is CVE-2026-4210?

A security flaw has been identified in various D-Link NAS devices that allows for remote command injection via a vulnerability in the 'cgi_tm_set_share' function within the 'time_machine.cgi' file. By manipulating the 'Name' parameter, an attacker can execute arbitrary commands on the device. This vulnerability affects multiple models of D-Link's storage solutions and poses significant risks if exploited, as it enables unauthorized access and control over the affected devices.

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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.

References

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

  • ๐ŸŸก

    Public PoC available

  • ๐Ÿ‘พ

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

pjqwudi (VulDB User)
.